Best Iron Supplement Capsules of 2026

Phoebe Cooper Avatar
Phoebe Cooper
Last Updated: 6 Feb 2026

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Iron supplement capsules are a form of dietary supplement that contain a concentrated dose of iron. Iron is an essential mineral that plays a crucial role in the production of red blood cells and the transportation of oxygen throughout the body. These capsules are recommended for individuals who have low iron levels, such as pregnant women or those with iron-deficiency anaemia. They are typically taken orally and can be found in various strengths and formulations, such as slow-release capsules or those combined with other vitamins and minerals. Iron supplement capsules can be a convenient and effective way to boost iron levels and improve overall health.

At a Glance: Our Top Picks

Feroglobin Iron Supplement for Energy and Vitality Cover #TOP 1
Feroglobin Iron Supplement for Energy and Vitality
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Solgar Gentle Iron 20 mg Vegetable Capsules Cover #TOP 2
Solgar Gentle Iron 20 mg Vegetable Capsules
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Active Iron Advance 25mg Iron Supplement Capsules Cover #TOP 3
Active Iron Advance 25mg Iron Supplement Capsules
ftb score rating icon 9.6

Top 9 Iron Supplement Capsules

Feroglobin Iron Supplement for Energy and Vitality

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Feroglobin Iron Supplement for Energy and Vitality Cover
Feroglobin Iron Supplement Capsules Support Iron Defficiency, Anemia and Blood formation, boost Energy, Immunity and Vitality while reducing Fatigue and Tiredness

Feroglobin Iron Supplement is designed to support your iron levels, helping to combat deficiency and anaemia. It contains an organic form of iron, folic acid, and vitamin B12, providing essential nutrients that promote healthy blood formation. You will appreciate that it is gentle on the stomach, making it easier to incorporate into your routine. Additionally, this supplement aids in maintaining your overall health and boosts your energy release, helping you feel more vital and less fatigued.

What We Like
Organic iron source
Gentle on the stomach
Boosts energy and vitality
Free from artificial additives
#TOP 2

Solgar Gentle Iron 20 mg Vegetable Capsules

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Solgar Gentle Iron 20 mg Vegetable Capsules Cover
Solgar Gentle Iron (Iron Bisglycinate) 20 mg Vegetable Capsules - Pack of 90

Solgar Gentle Iron is designed for easy absorption and is gentle on your stomach. With 20 mg of iron in the form of ferrous bisglycinate, it provides 143% of the Nutrient Reference Values with just one capsule a day. This product is perfect for those who experience bloating or digestive issues with traditional iron supplements. Additionally, Solgar's commitment to sustainability ensures that you receive your vitamins from 100% recyclable amber glass bottles, promoting both personal health and environmental care.

What We Like
Easy to absorb
Gentle on sensitive stomachs
Sustainable packaging
High purity and consistency
#TOP 3

Active Iron Advance 25mg Iron Supplement Capsules

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Advanced Iron
Active Iron Advance 25mg Iron Supplement Capsules Cover
Active Iron Supplement 25 mg – Clinically Proven to Increase Iron & Energy Levels – Gentle, Non-Constipating, Highly Absorbed – 30 Capsules, 1 Month Supply

Active Iron Advance Capsules are a clinically proven solution to boost your iron levels by 94%, helping to combat tiredness and fatigue. These capsules are designed to be gentle on your stomach, ensuring a non-constipating experience that minimises unpleasant digestive side effects. Each capsule delivers 25mg of iron, which supports your normal energy-yielding metabolism. Suitable for a variety of dietary needs, including vegetarians and pregnant individuals, this product offers a versatile option for anyone looking to enhance their iron intake safely.

What We Like
Clinically proven to boost iron
Gentle on the stomach
Supports energy levels
Suitable for various diets
Clean and safe formulation

AAVALABS Gentle Iron Supplements with Vitamin C

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AAVALABS Gentle Iron Supplements with Vitamin C Cover
Gentle Iron Supplements for Women and Men - 42 mg Iron Tablets high Strength with Natural Vitamin C - Active Form - bisglycinate - Fatigue Supplements with high bioavailability - 120 Capsules

AAVALABS Iron Supplements are designed to support your everyday life with their high bioavailability. Each tablet contains 42 mg of iron bisglycinate, which is gentle on the stomach and easily absorbed by your body. Enhanced with natural vitamin C, these supplements further boost iron absorption for maximum health benefits. Iron is essential for reducing fatigue and supporting cognitive function, making these tablets an ideal choice for busy lifestyles. Enjoy the benefits of increased energy and immune support with every dose.

What We Like
High bioavailability for optimal absorption
Gentle on the stomach
Includes natural vitamin C
Supports energy and immune function

YrHealth Iron Supplement with Vitamins and Minerals

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YrHealth Iron Supplement with Vitamins and Minerals Cover
Iron Supplement, 20mg Maximum Strength Anti Fatigue Complex - 180 Vegan Capsules not Iron Tablets for Men & Women with Vitamin B12, Folic Acid, Vitamin C, B6, Zinc, Copper - Made in The UK by YrHealth

YrHealth Iron Supplement is a carefully formulated product designed to support your overall health. It features a gentle iron that is easy on the stomach, combined with essential vitamins such as B6, B12, and C to enhance absorption. With 180 vegan capsules, you benefit from a full six-month supply, ensuring convenience and longevity. This supplement also helps reduce tiredness and fatigue, contributing to a normal energy-yielding metabolism and supporting cognitive function, allowing you to maintain your daily vitality.

What We Like
Vegan-friendly ingredients
Reduces tiredness and fatigue
High-quality, easy-to-swallow capsules
Supports immune function
Full six-month supply

Feroglobin Fizz Effervescent Iron Tablets

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Feroglobin Fizz Effervescent Iron Tablets Cover
Feroglobin Iron Supplement Capsules Support Iron Defficiency, Anemia and Blood formation, boost Energy, Immunity and Vitality while reducing Fatigue and Tiredness

Feroglobin Fizz provides essential iron along with vitamins B6, B12, and C, helping you maintain your energy levels while reducing tiredness and fatigue. This refreshing alternative to traditional iron tablets or capsules makes it easier for you to incorporate iron into your daily routine. The liquid food supplement not only supplies iron but also includes zinc, copper, and B vitamins, contributing to the normal formation of red blood cells and efficient oxygen transport in the body. It's a convenient way to support your overall health and vitality.

What We Like
Reduces tiredness and fatigue
Refreshing effervescent format
Includes essential nutrients
Supports red blood cell formation
Easy to incorporate into daily routine

Solgar Gentle Iron 20 mg Vegetable Capsules

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Solgar Gentle Iron 20 mg Vegetable Capsules Cover
Solgar Gentle Iron (Iron Bisglycinate) 20 mg Vegetable Capsules - Pack of 180 - Reduces Constipating Effects - Gentle on The Stomach - Vegan and Gluten Free

Solgar Gentle Iron is designed to support those who may struggle with traditional iron supplements. It contains iron bisglycinate, which is gentle on sensitive stomachs, reducing bloating and constipation. You can take 1-2 capsules daily to help your body transport oxygen, which can enhance your energy levels and cognitive function. Additionally, Solgar is committed to sustainability, using 100% recyclable packaging to ensure a cleaner environment while delivering high-quality supplements.

What We Like
Gentle on sensitive stomachs
Reduces constipation and bloating
Supports energy and cognitive function
Daily use for consistent benefits
Environmentally friendly packaging
#TOP 8

Nutra Science Iron PRO Complex Tablets with Vitamins

Nutra Science
Nutra Science Iron PRO Complex Tablets with Vitamins Cover
Iron PRO Complex (Dual Action Iron 2 Forms) Bisglycinate & Gluconate 2-in-1 Complete Iron Tablets Supplement High Strength with Vitamin C, B12, B9, B6, Copper – 90 Vegan Capsules Ferrous

Nutra Science Iron PRO offers a high-strength iron supplement combining two premium forms of iron—BisGlycinate and Gluconate—ensuring maximum absorption and effectiveness. This dual-action formula is gentle on the stomach, making it easier for you to digest and utilise. Additionally, it includes a blend of essential vitamins and minerals such as Vitamin C and B12, providing comprehensive nutritional support. With the backing of scientific standards, this supplement helps maintain a healthy immune system and reduce fatigue, contributing significantly to your overall well-being.

What We Like
High absorption iron forms
Gentle on the stomach
Includes essential vitamins
Supports immune health
Reduces tiredness and fatigue

Active Iron Supplement for Energy and Fatigue

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Active Iron Supplement for Energy and Fatigue Cover
Active Iron Supplement 14 mg – Helps Support Iron & Energy Levels – Gentle, Non-Constipating, Highly Absorbed – 30 Capsules, 1 Month Supply

Active Iron Supplement is designed to boost your iron levels by an impressive 94%, ensuring you maintain optimal iron levels in your body. Its non-constipating formula is gentle on your stomach, making it easy to digest while providing powerful results. This supplement also helps to reduce tiredness, allowing you to maintain your energy levels throughout the day. With 14mg of iron per capsule, it is perfect for managing your iron intake effectively.

What We Like
Clinically proven to increase iron
Gentle on the stomach
Reduces tiredness and fatigue
Ideal for various dietary needs
Easy to digest
Buying Guide Image

Frequently Asked Questions (FAQs)

1. Which capsule is best for iron?

Best Iron Supplements Of 2022, According To Experts. Best Iron Supplements of 2022.Pure Encapsulations Iron-C.Amazon Elements Iron.Solgar Gentle Iron.Vitron-C High Potency Iron Supplement.Nature Made Iron.Slow Fe Iron Supplement.Garden of Life Vitamin Code Raw Iron.

2. What are iron capsules used for?

Iron (ferrous fumarate, ferrous gluconate, ferrous sulfate) is used to treat or prevent anemia (a lower than normal number of red blood cells) when the amount of iron taken in from the diet is not enough. Iron is a mineral that is available as a dietary supplement.

3. Is it good to take iron capsules?

You should take an iron supplement only if your doctor confirms that you have an iron deficiency — or are at risk for one — and can't meet your needs through diet alone. Keep in mind that taking iron supplements may cause side effects, including: stomach pain. constipation or diarrhea.

Editor's Notes

During our iron supplement capsule research, we found 137 iron supplement capsule products and shortlisted 9 quality products. We collected and analyzed 106,095 customer reviews through our big data system to write the iron supplement capsules list. We found that most customers choose iron supplement capsules with an average price of £7.74.

The iron supplement capsules are available for purchase. We have researched hundreds of brands and picked the top brands of iron supplement capsules, including Feroglobin, Solgar, Solvotrin, AAVALABS, yrhealth.

Written by
Phoebe Cooper Avatar

In 2000, Phoebe Cooper graduated from the University of London as a Pharmacist. She practiced as a Pharmacist for the better part of 2 decades. Phoebe says she has worked in the majority of health sectors and has sufficient accumulated knowledge and experience. In her practice, Phoebe published a series of eBooks, one of which is titled "Good Health Good Living."