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Haem Iron Supplements: The Complete Guide

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Haem Iron Supplements: The Complete Guide

by Brian Devane on Jan 22 2026
Haem Iron Supplements: The Complete Guide If you are considering haem iron supplements, this guide is for you. Using easy-to-understand language and terms, we will take you through all you need to know. We will answer all your questions, including the following: What is haem iron? What are the main dietary sources of haem iron? What are the different types of iron supplements? How much haem iron do I need? What are the best types of iron supplements? Let’s get started by looking at what haem iron is and why it’s such an important mineral.   What is Haem Iron? Iron is an essential mineral and plays a vital role in the body. It’s used to make red blood cells, which carry oxygen around the body, and it also contributes to normal cognitive function, normal energy metabolism and the normal formation of red blood cells. There are two different types of iron: haem and non-haem iron. Haem iron mainly comes from animal sources. Red meat, offal, poultry and fish are all excellent sources of iron. Non-haem iron comes from plant-based sources. These include fortified cereals and breads, rice, oats, nuts, beans and leafy greens. Best of all, dark chocolate is also rich in non-haem iron. Haem iron is more easily absorbed by the body than non-haem iron. Therefore, vegetarians have to eat twice as much iron as meat-eaters to get the same amount.   The Different Types of Iron Supplements There are several different types of iron supplements available – which are non haem sources of iron.These include: Ferrous sulfate Ferrous gluconate Ferric citrate Ferric sulfate Usually available as tablets and capsules, these iron supplements also come as salts or liquids. However, different types of iron supplements contain varying amounts of elemental iron. Most iron supplements contain non-haem iron.   Haem vs Non-Haem Iron When it comes to haem vs non-haem iron, the main difference is the body’s rate of iron absorption. Haem iron is absorbed at a much higher rate than non-haem iron. It’s estimated that the body absorbs only 2-20% of non-haem iron. In comparison, haem iron has a 15-35% absorption rate. Non-haem-based iron supplements are also more likely to result in side effects. Indigestion, stomach upset, flatulence, constipation and diarrhoea are common complaints associated with some types of iron supplements. While iron is essential to your overall health, some problems are associated with overdoing your intake of haem iron. Dramatically increasing the amount of haem iron in your diet can lead to inflammation, as well as causing damage to gut cells due to the production of hydroxyl, a free radical. Your body finds it much easier to regulate iron absorption from plant-based foods, meaning that although haem iron is more easily absorbed, the body is not so good at regulating this process. As a result, it’s important to find the right balance of haem vs non-haem iron. Are They Absorbed Differently? Just as there’s a difference in how the body absorbs haem and non-haem iron, absorption of iron supplements also varies.  A lot depends on how and when you take your iron supplements. Vitamin C is known to help with iron absorption, and some supplements must be taken with a glass of orange juice to maximise their performance. To get the best absorption, other iron supplements need to be taken alongside food. Even with these measures, lots of people still experience the unwanted side effects of nausea or an upset stomach. By contrast, Active Iron has twice the absorption compared to standard ferrous sulphate supplements, and its gentle formula means you can take it on an empty stomach. Liquid iron supplements are often proposed as an alternative for those who experience side effects such as constipation or nausea. It’s suggested the liquid format is gentler on the stomach and easier for the body to absorb. However, manufacturers tend to make liquid iron supplements with low potency, as a safety precaution in case a child accidentally drank the liquid iron, which could cause serious health complications. Furthermore, some foods are known to affect your body’s ability to absorb iron. Healthcare professionals usually advise avoiding taking iron supplements with tea, coffee, milk and dairy products. Wholegrain cereals with high levels of phytic acid are also best avoided.   How Much Haem Iron Do You Need?  How much iron you need depends on your sex, age and lifestyle. Generally, women need more iron than men due to menstruation, pregnancy and breastfeeding. The EU uses a system called Nutrient Reference Value (NRV), which sets out the average daily amount of vitamins and minerals needed for good health. The NRV for iron is currently 14mg. The US Department of Health has set out the following recommended daily allowance (RDA) for males and females depending on age. Age Male Female Pregnancy Breastfeeding 1-3 years 7 mg 7 mg     4-8 years 10 mg 10 mg     9-13 years 8 mg 8 mg     14-18 years 11 mg 15 mg 27 mg 10 mg 19-50 years 8 mg 18 mg 27 mg 9 mg 51+ years 8 mg 8 mg     The RDA covers iron from all sources, haem and non-haem, plus any iron supplements. Vegetarians and vegans need to eat twice as much iron in their diet as meat-eaters to achieve their RDA. Haem iron from meat and haem iron supplements is more easily absorbed by the body. Furthermore, if you are an active athlete, then you may need more iron in your diet, as the body’s muscles use iron to make energy. If you participate in endurance sports such as running, rowing and cycling, increasing your iron intake may enhance your overall performance. Iron helps by transporting oxygen to tired muscles more efficiently. The Best Types of Iron Supplements  So, what are the best types of iron supplements? When selecting the right supplement for you, the main things to consider are: iron absorption potential side effect When selecting an iron supplement, it is important to focus on one which provides the maximum amount of absorption of iron, while also minimising the side effects. Now that you know all about haem and non-haem iron, it’s time to discuss iron supplements. In an ideal world, you should get most of your iron intake from your diet. However, some people may be unable to do this or may decide that they need to complement their dietary intake of iron. That’s where iron supplements come in. Iron supplements provide an easy and convenient way for people to increase their iron intake, but many oral irons on the market are difficult for the body to absorb. Many manufacturers recommend taking their supplements with a source of vitamin C to better aid absorption, although they can still lead to side effects like an upset stomach, constipation, or diarrhoea. Active Iron is a superior choice to other iron supplements although it is also a non haem source, it is formulated to be both kind and gentle to the stomach. Active Iron increases the amount of iron absorbed by targeting the body’s natural site of iron absorption, in the intestine. In fact, Active Iron is clinically proven to be more highly absorbed compared to standard iron supplements.* The ground-breaking technology in Active Iron protects the iron with a special whey layer allowing it to bypass the stomach, where most iron supplements are broken down and oxidised. This means whatever your needs, you will be getting the maximum amount of iron with the satisfaction of reduced side effects. If you want to increase your iron intake without unwanted side effects, try Active Iron today.     For Athletes Active exercisers often find they need additional iron in their diets, and they can top up their iron intake during periods of sustained and heavy training with supplements. Intense exercise can put your body under stress, affecting your ability to absorb iron, leading to an ever-increased need. Active Iron is the answer for many athletes. Active Iron Advance is Certified by the Informed-Sport programme, so athletes can be confident that Active Iron is free from prohibited sports substances. The unique formulation Active Iron will help increase iron absorption, which in turn helps you give your best performance. Vegetarians Many vegetarians, particularly women with periods, find it hard to get enough iron from food sources alone. As we have seen, plant-based non-haem iron is less easily absorbed by the body. However, for ethical reasons, many vegetarians do not want to take heme iron supplements, as this comes from animal sources. The good news is that Active Iron is a vegetarian-friendly supplement. The unique whey protein formula is also free from artificial preservatives, sugar, wheat and gluten. Active Iron is the preferred choice for many vegetarians wanting to supplement their iron intake. Pregnant Women During pregnancy, the body needs more iron to transport oxygen around the body and to support your growing baby. The iron RDA for pregnant women increases from 18 mg to 27 mg. Many women find it a struggle to get all the iron they need during this time, and it can be very easy for pregnant women to develop inadequate iron levels. Once levels have become inadequate, it is nearly impossible to rebuild these levels through diet alone. Active Iron is a great solution for Pregnant women. Active Iron is safe for consumption prenatally, during pregnancy, and while breastfeeding. Its gentle formula is kind on your stomach, delivering much-needed iron in a non-constipating formula.  Active Iron Pregnancy Plus is specially formulated for pregnancy, and is widely recommended by midwives and healthcare professionals. Haem Iron Supplements Conclusion Eating a healthy, balanced diet is the best way to ensure you get enough iron – both haem and non-haem. However, sometimes you might need some extra help. Athletes, vegetarians, and pregnant women all have an increased need for iron. Selecting the right iron supplement is a big decision, as we must consider factors like lifestyle, side effects, and personal iron requirements. Active Iron is recommended by healthcare professionals and loved by consumers. Its non-constipating formulation is clinically proven to provide a high amount of absorption of iron*, and is gentle on the stomach,*** helping to avoid unwanted side effects. Active Iron is safe for pregnancy, is vegetarian-friendly, and can even be taken on an empty stomach. *Wang et al. 2017, Acta Haematological, 138: 223-232
Best Food Sources of Haem and Non Haem Iron

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Best Food Sources of Haem and Non Haem Iron

by Brian Devane on Jan 22 2026
Haem iron is a form of iron that’s rarely talked about. You find haem iron in animal products, such as red meat, poultry, seafood, and muscle tissue. But let’s rewind a little bit.  There are two types of iron: Haem iron – found in meats. Non-haem iron – found in plant-based foods. Your body absorbs haem iron quicker and more effectively than non- haem iron, meaning that those on a vegetarian or plant-based diet may find they struggle to consume adequate amounts of iron on a daily basis. In this article, we are going to discuss everything you need to know about haem iron, including: The different types of iron. The health considerations of haem iron. Foods that have haem iron. Foods that have non-haem iron. Supplementing with iron. Let’s start with differentiating between the two types of Iron.   What are the Different Types of Iron? As already mentioned, there are two types of iron – haem and non-haem iron. Meat is recognised by most as being a primary source of iron, but plenty of vegetarian-friendly foods are high in iron as well, including spinach, beans, and even chocolate! haem iron is best found in sources of red meat, which contains blood proteins and haemoglobin. The name “haem iron” comes from the haem protein that’s attached to a lone iron atom. The primary source of non-haem iron is plant-based food. The majority of the iron we consume is non-haem iron. Foods like rice, oats, wheat, nuts, fruits, beans all have high amounts of non-haem iron. Your body absorbs haem iron at a higher rate compared to non-haem iron, meaning that those on a plant-based diet may not get enough iron through their diet alone. If you are a vegetarian or a vegan, you should keep in mind that your body only absorbs 2-20% of non-haem iron, whereas haem iron from animal-based sources has a 15-35% absorption rate. Becaues of this, vegetarians and vegans have to consume twice as much iron in their diet as meat-eaters, to absorb the same amount of iron.Fortunately, there are lots of great sources for non-haem iron.  Foods like beans and leafy greens are one of the best vegetarian/vegan sources of iron. Whole-grain foods like cereals have plenty of iron in them, which makes them another attractive option for vegetarians. Certain foods can reduce non-haem iron absorption. Dairy products, eggs, fibre, as well as tea and coffee, can all interfere with the way you absorb non-haem iron.  The good news is that you can improve your absorption of non-haem iron from food by taking vitamin C.   The most common form of supplementary iron is non-haem iron, if you are unsure when to take iron, you can check out our post on the best time to take iron.     Which Foods Have Haem Iron? All haem iron comes from animal-based sources. Red meat and organ meats, in particular, have high amounts of haem iron. Also, foods like clams, oysters, mussels, venison and lamb chops all have a healthy amount of haem iron (between 2-23 mg). Red meat is not only an excellent source of haem iron, but it is also a source of high-quality protein as well. If you want to increase your intake of iron, and specifically haem iron, you should aim to include more animal-based foods in your diet.    Sources of Haem Iron As we have seen, the main source of haem iron is meat. This is because meat has many blood proteins and haemoglobin, which help the body transport oxygen. If you want to increase the amount of haem iron in your diet, here are the best foods to include. Organ meats: Kidneys, liver, brain and heart are incredibly nutritious and score highly for haem iron. The liver, in particular, is one of the most nutrient-dense organ meats and contains plenty of haem iron. Red meat: Often given bad press, red meat is, however, packed full of protein and essential vitamins and minerals, including iron. When it comes to haem iron, all red meats pack a punch. Including lots of steaks, chops and mince in your diet will increase your haem iron intake. Poultry: Although not as iron-rich as red meat, chicken and turkey are nevertheless good sources of haem iron. Fish and shellfish: Other excellent choices rich in haem iron include fish and shellfish. Canned varieties of fish, especially sardines and tuna, are excellent choices. And clams, oysters and mussels will also deliver a healthy dose of haem iron. Most people get enough haem iron from their diet. However, others find it difficult to get sufficient iron from food alone. These people may choose to increase their intake of iron supplements.     Which Foods Contain Non-Haem Iron?  For vegetarians and vegans, there are plenty of good options to get enough iron from plant-based sources.  Here are some of the best sources of non-haem iron: Legumes  Foods like tofu, tempeh and soybeans are packed with high-quality iron. They are rich in fibre as well as protein, so they can definitely support your healthy lifestyle. Other great sources of non-haem iron are lentils and beans. Nuts Nuts and seeds are not only packed with iron but with high-quality protein and fats as well. They can help you increase your iron and omega-3 fatty acids intake. Veggies Vegetables including leafy greens, potatoes, tomatoes and mushrooms are all non-haem iron-rich foods. Leafy green vegetables such as spinach contain oxalates which can make the iron in these foods difficult to absorb. Eating non haem iron rich foods with haem iron rich foods such as meat can also help increase absorption. Fruits Most people aren’t aware that fruits have high amounts of iron. Foods like prunes, olives and mulberries are all great sources of iron. They are also rich in fibre and other vitamins which means that adding them to your diet will help your healthy lifestyle. Whole Grains Whole grains are incredibly beneficial as long as they aren’t processed. When they are processed, they lose fibre, antioxidants and minerals like iron. That’s why whole grains typically have more iron than processed grains. Coconut Milk Coconut milk is high in fat and it’s also an excellent source of vitamins and minerals like magnesium, copper, manganese and iron. Dark Chocolate One of the most delicious foods containing non-haem iron is dark chocolate. It’s full of nutrients like magnesium, copper and iron. Also, dark chocolate has a lot of fibre which will keep you full.   What are the Health Risks of Haem Iron? While iron is an essential mineral for your body, massively increasing your absorption of haem iron can cause a few problems. Too much iron can lead to problems like inflammation and even DNA damage because of the production of a dangerous free radical that’s called hydroxyl.  It’s all about striking the right balance. If you don’t have enough iron in your system, you’re risking not giving your body the resources it needs to function properly.  Your body can naturally regulate the iron you absorb from plant-based foods which prevents iron overload. Haem iron from animal-based foods is more easily absorbed, but your body does not regulate it very well.     Conclusion To summarize, you can find haem iron in animal-based foods like red meat, chicken and fish.  Plant-based foods, on the other hand, contain non-haem iron (which is harder to absorb). Your body has systems in place to regulate your non-haem iron intake, but it doesn’t regulate the intake of haem iron as easily, so it is all about getting the right balance between eating animal and plant-based foods.  Excellent sources of non-haem iron are foods include nuts, whole grains, leafy greens and dark chocolate. Another great way to ensure you get a healthy amount of iron is by taking iron supplements, however many people complain of side effects from poorly-absorbed iron supplements. One way to combat this problem is taking vitamin C along with your iron supplement. However, Active Iron doesn’t have this issue. Active Iron works synergistically with your body to ensure you get the right amount of iron while being gentle on your stomach.    *Wang et al. 2017, Acta Haematological, 138: 223-232
How Long Do Iron Supplements Take To Work?

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How Long Do Iron Supplements take to work?

by Ciara Barrett on Nov 25 2025
Many people feel the positive effects of taking an iron supplement after 3 weeks, but it may take up to 12 weeks to feel a noticeable increase in energy levels. Iron needs differ from person to person; as such, everyone feels the effects of iron supplementation on their own timelines. Each person will experience different levels of sensitivity, side effects, and positive improvements from iron supplements. Here we will break down some of the most common questions when it comes to getting your iron levels up again, so you can be confident that you are getting the most out of your supplements. How long will my Iron Supplements take to work & what does that mean? If you were to Google “How long does it take for iron supplements to work?” you would most likely find specific answers: 2 weeks or 2 months. However, it is impossible to predict a specific period of time as to when you will start feeling the effects of your iron supplement. Many factors come into play when it comes to iron absorption, from when in the day you take iron, to how much your body needs. It is important to bear in mind that there is a difference between how long it takes for iron to “work” and how long it takes for your body to “absorb” iron. How long does it take for your body to Absorb Iron? How long it takes for iron to get into your system depends largely on: Why were your levels low in the first place, and How far below the normal levels they were. The lower your current level, the longer it will take to build up a sufficient amount of iron in your system. You should consider the following cases: If you need more iron because of menstruation, it will usually take a bit longer to build up, since you will continue to experience blood loss with every period. It is not always possible to get enough iron from your diet, and if your dietary intake of iron is insufficient, it may replenish very quickly if your supplement allows you to absorb it better. What to Consider when Taking Iron Supplements Your Current Diet and Nutritional Habits An iron-rich diet can be challenging to sustain, especially if you need to build up a significant amount of iron or follow a restricted diet, such as a vegetarian diet. In this section, we will discuss foods that increase and decrease iron absorption. Foods that Decrease Iron Absorption Some foods and nutrients are natural iron inhibitors – they diminish the absorption of iron and make it difficult for you to reach optimal iron levels. These foods/nutrients include: Phytic acid (often found in grains and legumes) Tannins Polyphenols (found in tea) Milk Caffeine Some of the proteins found in soybeans (And, considering many people’s days start with a cup of coffee or a bowl of milk and cereal, we can quickly begin to see why iron absorption is a challenge.) Foods that Increase Iron Absorption On the bright side, there are foods known to increase your iron absorption, and they are often recommended to be taken alongside iron supplements. These include: Citrus items and citric acid – lemons, lemonade, oranges, orange juice Vitamin C Vitamin A and beta-carotene How Quickly Do Iron Supplements Work? It can take anywhere from 3 to 12 weeks to feel the benefits of taking an iron supplement. In all cases, if you suspect you need more iron, the best approach is to talk to a healthcare professional. Your healthcare professional can guide you through the next steps, while helping you figure out the reasons you might not be feeling well and if iron is indeed a factor in your feeling tired or fatigued. From there, they can advise whether iron supplements will be of benefit to you. Active Iron is clinically proven to increase iron and energy levels in six weeks, but many report seeing an increase in their energy levels after three weeks. Iron absorption FAQs  How quickly do iron supplements work? Hemoglobin blood levels generally increase after 2 to 4 weeks of supplementation. Symptoms like fatigue, and headache should start to improve during this time. It typically requires around three months for iron stores (measured by ferritin levels) to reach a normal level. How long should I take iron supplements for? Iron supplements should be taken for at least 6 months and up to 12 months. The best way to ensure adequate absorption is to take them on an empty stomach or allow 2 to 3 hours between meals as certain food, drink and medicines may inhibit iron absorption. How long does it take to get iron levels up? Active Iron is clinically proven to increase iron levels by 94% in 6 weeks, but many start to feel the benefits earlier than that. How long does it take for iron levels to drop? Your body uses about 500 mg of iron to make about 2g/dl of haemoglobin, which is a protein in your red blood cells that carries oxygen. We require extra iron to create energy and for our body to function correctly. When we stop taking iron, the body uses internal reserves of iron. The drop in iron levels will depend on our diet and way of life. For example, if you like doing endurance sports your iron levels could fall quicker. As iron levels fall below the standard range, you may notice fatigue, headaches, cold hands and feet. How long does it take to raise iron levels with food? This is something that is quite complicated to measure, considering everyone has different health needs. There are two different forms of iron in the diet: Heme and Non-Heme Iron. Haem Iron is much easier absorbed by the body and so is the optimum source for raising iron levels. Examples of Haem Iron rich foods are: red meat, offal and poultry. Non-Haem Iron foods include fortified breakfast cereals, and dark green leafy vegetables such as broccoli and cabbage. However, it may be difficult to raise iron levels with food alone, particularly for people with restricted diets such as vegetarians and vegans. How do you know if iron tablets are working?Everybody responds to iron supplements differently but most people can expect to see an improved ability to concentrate, a healthier immune system resulting in fewer colds, and a feeling that you have more energy. These signs may not be very pronounced so it’s still important to review how much iron you consume through your diet and how well your iron pills are being absorbed. If you have any concerns that your iron pills are not working, you should consult your doctor. Enjoy The Benefits Of Active Iron If you want to reap all the benefits of optimal iron intake, you need to ensure you are absorbing iron well and getting enough iron in your diet. If your diet isn’t giving you enough iron, and you choose to supplement your iron intake, you will want to choose a supplement that provides optimum absorption and is kind to your stomach. Active Iron supplements are designed with a unique formula that targets the right place for absorption, the DMT-1. This helps reduce oxidation, thus protecting the gut from inflammation. As a result, Active Iron is highly absorbed compared to other iron supplements¹, making it gentle on the stomach, and clinical results have shown that it increases iron levels by 94%². So, if you want to know how long it will take for your iron supplements to work, remember this guide and start taking Active Iron today. ¹Wang et al. 2017, Acta Haematologica, ²Ledwidge, M. et al. PRECISION Study. Int J Clin Pharm (2023) https://doi.org/10.1007/s11096-023-01640-7
Iron & Calcium-Rich Foods

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Iron & Calcium-Rich Foods

by Ciara Barrett on Nov 19 2025
When it comes to essential minerals, iron and calcium are some of the most important. Iron’s main role is to help transport oxygen around the body. It’s also important for brain function and a healthy immune system. Calcium is vital for healthy bones and teeth. And it also helps normal blood clotting. For optimum health and wellbeing, calcium and iron are crucial to a balanced diet. We are often asked the question whether you can take iron and calcium supplements together. Some people are concerned that calcium interferes with iron absorption. This article takes you through everything you need to know about the relationship between calcium and iron. Topics covered include the following: The effects of calcium on iron absorption. Whether there are any risks to taking iron and calcium together. Foods rich in iron and calcium. By the time you have finished reading, you will have a better understanding of the relationship between iron and calcium. Calcium and Iron Absorption There are two primary sources of dietary iron. Heme iron comes mainly from animal sources – think red meat, chicken and shellfish. In contrast, non-heme iron is plant-based. Good sources include fortified cereals, beans and legumes, dried fruits, leafy greens and vegetables. Unlike non-heme iron, the body finds it easier to absorb heme iron. Other factors also affect iron absorption. The tannins in tea and coffee, for example, are known to inhibit iron absorption, while vitamin C has a positive effect. So, swapping your cup of tea for a glass of orange juice at mealtimes is one way to help your body to absorb more iron. Google “calcium and iron absorption” and you will find a mixed bag of results. Some experts suggest that calcium inhibits iron absorption, while other sources say that it doesn’t. The truth is that in some highly controlled, short-term studies, calcium has interfered with iron absorption. It can bind to iron, making it harder for the body to absorb. However, when you look at the data collected over much longer periods of time, it’s a different story. The Active Iron uses a ground-breaking whey protein formula to allow iron to be carried to the site of natural absorption in the gut, the DMT-1 unlike standard iron sulfate which breaks down in the stomach. This is why Active Iron has clinically proven x 2 absorption than iron sulfate and fewer side effects such as nausea, reflux and constipation. Can You Take Calcium and Iron Together? As part of a balanced diet, it’s safe to eat calcium and iron together. However, if you want to maximize iron absorption, drink your glass of milk a couple of hours after eating rather than at mealtimes. Non-dairy milk alternatives are fine to have at any time. In an ideal world, we would all get enough calcium and iron from the foods we eat. However, some people find it hard to get enough from dietary sources alone and take calcium and iron supplements. And when it comes to taking calcium and iron supplements, again it’s best not to take them at the same time. As we discussed earlier, calcium can have a short-term effect on iron absorption. To avoid this, take your iron supplement separate from your calcium supplement. It is recommended to allow 3-4 hours between taking your iron and calcium supplements. Generally, the best time to take your iron supplement is between meals or 30-60 minutes before eating, including tea, coffee and dairy products. Does Calcium Inhibit Iron Absorption? There is some evidence that calcium blocks iron absorption in the short term. However, studies have shown that over a much longer timeframe, there is no substantial effect. (references) To maximize the benefits, avoid taking iron and calcium supplements together. Spacing them apart at different times of the day ensures you get the best out of both supplements. Foods Rich in Iron and Calcium So, what foodstuffs are rich in calcium and iron? Here’s a list of the best foods to eat if you want to increase calcium and iron in your diet. Meat, fish and eggs: these food groups, especially red meat, canned tuna and sardines, are high in both iron and calcium. Beans and lentils: all types of legumes are good sources of both dietary iron and calcium. Vegetables: leafy greens such as kale and Collard greens are good choices, and broccoli also ticks both boxes. Nuts and seeds: adding pumpkin seeds, almonds, and walnuts to your diet will see you increasing your intake of both calcium and iron. Fruits: Dried fruits like raisins, apricots and prunes are rich in iron. And oranges, blackcurrants and blackberries for calcium.   Conclusion: Iron and Calcium  Iron and calcium are essential minerals, vital to our health and wellbeing. With today’s busy lifestyles, getting enough from the food we eat alone can be a challenge. For many people, iron and calcium supplements offer the perfect solution. And the good news is, it is possible to take calcium and iron together. Just make sure you take them at different times of the day to get the best results. Active Iron’s ground-breaking formula is kind to the stomach and easy to absorb. Clinical research shows that Active Iron’s unique formulation provides a higher rate of absorption of iron than other oral irons on the market. Formulated by scientists and easy to swallow, Active Iron is so gentle, you can even take it on an empty stomach. Our expert team is here to help. If you have any concerns about taking Active Iron with your calcium supplement, then get in touch. Active Iron’s in house-pharmacist is happy to answer any queries.
When is the Best Time to Take Vitamins?

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When is the Best Time to Take Vitamins?

by Ciara Barrett on Oct 21 2025
This article is for you if: You want to learn the best time to take vitamins You want to learn more about each vitamin inside your average multivitamin Should You Take Vitamins in the Morning or at Night? To answer the first question right off the bat, the best time to take vitamins and supplements will largely depend on what vitamins you are taking. Not all vitamins are created equal. Moreover, when most people say vitamins, they mean micronutrients that fall into both the vitamin and mineral categories. Some of them should be taken in the morning with a meal to maximise absorption. Others are best taken in the evening before bed. Let’s talk about vitamins and minerals for each of the main groups you can find in the store: Multivitamins Vitamin B Vitamin D Vitamin C Vitamin E Folic acid  Magnesium Omega-3 Fatty Acid Zinc Getting adequate levels of vitamin C, D, and iron is essential for a healthy immune system. Your immune system is your body’s natural defence against illness. If you are unable to meet your nutritional needs solely through food, supplementing with multivitamins in conjunction with iron supplementation is an effective way to support your immune system. However, Food supplements are not a substitute of a healthy and balanced diet and lifestyle CTA HERE Best Time to Take Multivitamins You should take your multivitamins in the morning with a meal to maximise absorption. However, if this causes any stomach issues, try taking them before bed. Remember, consistency is key here! People who can benefit the most from taking multivitamins are: Adults Vegans & Vegetarians When is the Best Time of Day to Take Prenatal Vitamins? Pregnant and breastfeeding women may benefit from taking prenatal vitamins because of their increased requirement for essential nutrients. However, it is advised that pregnant women or those on medication check with a healthcare professional before taking vitamin or mineral supplements.  As with traditional multivitamins, prenatal vitamins are best taken in the morning, with a meal, and consistently. According to the Cleveland Clinic, the best time to take vitamins D, C, and B, are as follows: Best Time to Take Vitamin D: Vitamin D is fat-soluble, meaning it doesn’t dissolve in water, so you should pair it with high-fat foods to ensure proper absorption. It is essential to incorporate Vitamin D into your routine, ideally alongside breakfast or as part of your bedtime snack (as long as it doesn’t interfere with your sleep). Vitamin D is best taken in the morning, lunchtime, or evening, when you have high-fat foods such as a glass of whole-fat milk, avocado, olive oil, or flax. Best Time to Take Vitamin CVitamin C is a water-soluble vitamin, meaning it is best taken with water. You should take vitamin C in the morning, on an empty stomach.  Best Time to Take B Vitamins The best time to take B vitamins is after you wake up, preferably with a meal to maximise absorption¹.  What role does each B vitamin play?Vitamin B-1 is known as Thiamine. Thiamine contributes to normal energy-yielding metabolism, normal functioning of the nervous system, psychological function, and the normal function of the heart. Good sources of Vitamin B-1 include: Pork Fish (like salmon and tuna) Legumes (like beans and lentils) Nuts (like sunflower seeds and pecans) Whole grains (like brown rice and oatmeal), fortified cereals, and eggs. Vitamin B-3 is also called Niacin. Can be incorporated into your diet through peanuts, fish, brown rice, and whole grains. Vitamin B-6 contributes to normal protein and glycogen metabolism. It is vital for the efficient breakdown of food - particularly carbohydrates - into smaller units the body can utilise. Additionally, Vitamin B6 helps regulate hormonal activity. Good sources include bananas, tuna, chickpeas, and pistachios. Vitamin B-9, also known as Folate, contributes to normal blood formation. It’s one of the building blocks of DNA and RNA. Good sources include avocados, leafy greens, broccoli, green peas, and more. Vitamin B-12 is only found in animal products. Vitamin B-12 is crucial to the normal functioning of the nervous system. It helps to create and regulate RNA, and it’s also involved in the formation of red blood cells. The best time to take vitamin B-12 is in the morning, similar to all B vitamins. Best Time to Take Omega-3 Fatty Acids (Fish Oils)Omega-3 fatty acids are “healthy fats” and can be taken at any time of the day. To improve the absorption of omega-3, you should take it with a meal that includes fats² such as avocado, flax, or whole-fat milk. This can help reduce the side effects as well as enhance the effectiveness of the supplement. Omega-3 (EPA & DHA), found in fish oil and seeds like flaxseed, is a vital nutrient for your body. DHA contributes to normal brain and eye function, while both EPA and DHA contribute to normal heart function. Best Time to Take Folic Acid Folic acid is the man-made version of Vitamin B9 (Vitamin Folate). Folate contributes to maternal tissue growth during pregnancy and normal blood formation. Supplemental folic acid intake increases maternal folate status. Low maternal folate status is a risk factor in the development of neural tube defects in the developing foetus. This beneficial effect is obtained with a supplemental folic acid daily intake of 400μg for at least one month before and up to three months after conception. You can take folic acid at any time of the day. Folic acid is a water-soluble supplement, meaning it is best to take it with water. Best Time to Take Magnesium Most healthcare professionals would recommend taking magnesium with a meal due to the possible gastrointestinal side effects if a high dose is taken, which could cause diarrhoea on an empty stomach³. As a result, you can split the dose into two (breakfast and dinner). Magnesium is an essential nutrient that affects many functions in the body. Magnesium contributes to electrolyte balance, normal protein synthesis, psychological function, the maintenance of normal bones and teeth, normal muscle and nervous system function and reduction of tiredness and fatigue. Magnesium is such an important mineral that, even if you’re not taking it at the “perfect time”, just the fact that you’re taking it consistently is more than enough. Best Time to Take Vitamin E Vitamin E contributes to the protection of cells from oxidative stress. Vitamin E is a fat-soluble vitamin that requires natural fat in our meals for absorption and works best when taken with a meal containing fat. Best Time to Take Zinc Zinc contributes to the normal function of the immune system. It is best to take zinc one or two hours before meals, with a glass of water. You can take zinc at any time of day. Best Time to Take Water-Soluble vs Fat-Soluble Vitamins In this guide, we have already touched upon several fat-soluble and water-soluble vitamins individually. For example, Vitamin D is a fat-soluble vitamin, meaning it is best taken with high-fat foods. As a result, the best time of day to take fat-soluble vitamins should be based on your eating pattern and when this type of vitamin will be most easily absorbed. This can mean taking them after your breakfast or your last meal of the day. On the other hand, water-soluble vitamins are best taken on an empty stomach. This can mean taking them as soon as you wake up or more than two hours after eating. An example of water-soluble vitamins includes Vitamin C, which also occurs naturally in several popular products, including orange juice. Can I take my Vitamins at Night? You can choose to take any vitamin at night that does not interrupt your sleep or will not affect the absorption of the vitamin. As a result, you can take the following vitamins at night: Iron Vitamin D Vitamin C Vitamin E Magnesium When to Take Vitamins Chart Our easy-to-follow table has combined all of the content above to show the best time of day to take each type of vitamin supplement.  Type of Vitamin Best Time of Day to Take Multivitamins Morning - with a meal. Prenatal Vitamins Morning - with a meal. Vitamin B  Morning - with a meal. Vitamin D  Any time - with a meal containing fat, like avocado or whole-fat milk. Vitamin C Morning - empty stomach, with water. Folic Acid Any time - with water. Iron Any time - on an empty stomach, or 1-2 hours between meals. Magnesium Any time - with a meal. Omega-3 Fatty Acids Any time - with a meal containing fat, like avocado or whole-fat milk. Vitamin E Any time - with a meal containing fat, like avocado or whole-fat milk. Zinc Any time - 1-2 hours between meals with water.   Conclusion Some vitamins and minerals have golden windows that reduce irritation or boost effectiveness, so check with your doctor for interactions with medications. The takeaway here is consistency is key - make them part of your morning or bedtime routine to build the habit and maximise benefits. References: ¹Cleveland Clinic, 2021 https://health.clevelandclinic.org/the-best-time-to-take-vitamins ²Veronica Zambon, 2025 https://www.medicalnewstoday.com/articles/when-to-take-fish-oil ³Rachael Ajmera and Sandra Silva, 2025 https://www.healthline.com/nutrition/best-time-to-take-magnesium
How to Take Iron Supplements Without Side Effects

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How to Take Iron Supplements Without Side Effects

by Ciara Barrett on Oct 17 2025
Tired of the gastrointestinal side effects associated with most iron supplements? In this article, we will explore ways to increase your iron levels, without the nasty side effects!
Cereals High in Iron & Iron Fortified Cereals

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Cereals High in Iron & Iron Fortified Cereals

by Ciara Barrett on Oct 17 2025
Iron-rich cereals offer a simple, delicious way to support your iron levels! In this article, we will explore cereals that have a high iron content. Pair your bowl with vitamin C-rich fruits like strawberries or oranges to maximise absorption, and you’ve got a powerhouse breakfast that fuels both your body and mind.
Pregnancy Product Update

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Pregnancy Product Update

by Ciara Barrett on Sep 01 2025
At Active Iron, we aim to provide the best possible support for your health, especially during pregnancy and beyond into the postnatal period. With this in mind, we have an important update regarding our Active Iron Pregnancy range. We have decided to discontinue our Active Iron Pregnancy 17mg product and Active Iron Pregnancy Plus and have launched a new and improved Active Iron Pregnancy.  During pregnancy, the amount of blood in your body increases by up to 50%. This increases the requirement for iron as it is needed to make haemoglobin, which carries oxygen around your body. We are recommending Active Iron Advance 25mg for those looking for an iron-only product in pregnancy, and the new Active Iron Pregnancy for those looking for a complete nutritional solution for mum & baby. Why Active Iron Advance? Active Iron Advance offers the same great formula in a higher 25mg dose to fulfil the increased iron requirements during pregnancy. It is specially formulated to help avoid side effects such as nausea and constipation, making it kind on the stomach while also being strong enough to increase iron levels. Active Iron Advance is clinically proven to increase iron levels by 94% in 6 weeks*, making it a comfortable and more effective iron supplement for expectant mothers. Why Active Iron Pregnancy? Active Iron Pregnancy provides the essential nutrients mum and baby need throughout each trimester. During pregnancy, your blood volume expands by up to 50% and nutritional requirements increase to support the healthy development of your growing baby. This boosts your requirement for iron and other key nutrients. Active Iron Pregnancy contains non-constipating Active Iron plus a complete time-release multivitamin providing all the key nutrients mum and baby need throughout pregnancy, including: Iron and B Vitamins (B2, B5, B6, B12, and biotin) to support energy production and help fight tiredness and fatigue Iron to support blood building and oxygen transport Folic acid as highly absorbable L-Methylfolate to help support foetal development** Vitamin D, vitamin C, zinc, and iron to support immune function Vitamin B5 to support mental performance and iron, iodine, and zinc to support cognitive function Calcium, magnesium, vitamin D, and vitamin K to support bone and muscle health Vitamin B6 to help regulate hormonal activity Vitamin E, copper, and selenium to help protect cells from oxidation. New Clinical Study To continue supporting our claims on Active Iron, in 2024, we initiated a brand-new clinical study with pregnant women. This study, conducted in partnership with Ulster University, will focus on the impact of iron supplementation during pregnancy, and the benefits of early intervention of iron supplementation on outcomes for mum & baby. *Ledwidge, M. et al. PRECISION Study. Int J Clin Pharm (2023) https://doi.org/10.1007/s11096-023-01640-7
Active Iron Partners with Clue to Help Women Combat Menstrual Fatigue and Manage Reproductive Health

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Active Iron Partners with Clue to Help Women Combat Menstrual Fatigue and Manage Reproductive Health

by Ciara Barrett on Sep 01 2025
Active Iron Partners with Clue to Help Women Combat Menstrual Fatigue and Manage Reproductive Health
Solvotrin Announces Long-Term Licensing Agreement with Norwell Consumer Healthcare

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Solvotrin Announces Long-Term Licensing Agreement with Norwell Consumer Healthcare

by Ciara Barrett on Sep 01 2025
Solvotrin Therapeutics, a leading Irish healthcare development company, is delighted to announce the signing of a long-term licensing agreement with Norwell Consumer Healthcare for the Active Iron brand in Canada.
Solvotrin Therapeutics Announces Exclusive Agreement with Ortho Molecular Products

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Solvotrin Therapeutics Announces Exclusive Agreement with Ortho Molecular Products

by Claire Lynch on Sep 01 2025
Solvotrin Therapeutics, a leading Irish healthcare development company, is pleased to announce an exclusive agreement with Ortho Molecular Products for the distribution of Active Iron in the U.S. practitioner channel.