Best Gluten-Free Iron Supplements of 2026

Elisa Drew Avatar
Elisa Drew
Last Updated: Jan 23, 2026

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Gluten-free iron supplements are an essential dietary supplement for individuals with gluten sensitivities and celiac disease. These supplements are designed to provide a safe and effective source of iron that is free from gluten and other potential allergens. Gluten-free iron supplements are available in a variety of forms, including tablets, capsules, and liquid formulas. They are also available in different strengths to meet the specific iron needs of each individual. These supplements are typically made with high-quality ingredients that are easy to absorb and gentle on the digestive system. Overall, gluten-free iron supplements are an excellent option for those looking to support their iron levels without compromising their dietary restrictions.

At a Glance: Our Top Picks

Thorne Iron Bisglycinate Capsules - 25mg Cover #TOP 1
Thorne Iron Bisglycinate Capsules - 25mg
ftb score rating icon 9.8
Nature’s Bounty Iron Supplement, 100 Tablets Cover #TOP 2
Nature’s Bounty Iron Supplement, 100 Tablets
ftb score rating icon 9.7
Thorne Ferrasorb - Blood-Building Formula - 60 Capsules Cover #TOP 3
Thorne Ferrasorb - Blood-Building Formula - 60 Capsules
ftb score rating icon 9.5

Top 10 Gluten-Free Iron Supplements

Thorne Iron Bisglycinate Capsules - 25mg

M226
Original Version
Thorne Iron Bisglycinate Capsules - 25mg Cover
THORNE - Iron Bisglycinate - 25 mg Iron Supplement for Enhanced Absorption Without Gastrointestinal Side Effects* - NSF Certified for Sport - Gluten-Free - 60 Servings

Thorne Iron Bisglycinate Capsules provide 25mg elemental iron in a non-constipating form that is well-absorbed by the body. It helps fight fatigue and other signs of iron deficiency such as weakness, dizziness, and irritability. The mineral is essential for the formation of new red blood cells, and it is certified for sport, making it ideal for high-performance nutrition programs.

What We Like
Gentle on stomach
No unpleasant aftertaste
Improved energy levels
Easy to swallow capsules
High absorption rate

Nature’s Bounty Iron Supplement, 100 Tablets

Nature’s Bounty Iron Supplement, 100 Tablets Cover
Nature’s Bounty Iron 65mg, 325 mg Ferrous Sulfate, Cellular Energy Support, Promotes Normal Red Blood Cell Production, 1 Serving Per Day, Gluten Free, 100 Vegetarian Tablets

Nature's Bounty Iron is a necessary component of hemoglobin, promotes normal red blood cell production, and supports energy utilization, making you feel your best. It is often recommended as a mineral supplement for women and helps provide your body with the iron it needs for daily functioning. This product is a result of 50 years of dedication to quality, consistency, and scientific research.

What We Like
Improved energy levels
Easy to swallow tablets
Reasonable price
Trusted brand
Effective iron dosage

Thorne Ferrasorb - Blood-Building Formula - 60 Capsules

SF750
Thorne Ferrasorb - Blood-Building Formula - 60 Capsules Cover
THORNE - Advanced Iron Complex (Formerly Ferrasorb) - Complete Blood Support Formula* - Elemental Iron, Folate, B and C Vitamins for Optimal Absorption - Gluten, Dairy & Soy-Free - 60 Servings

Thorne Ferrasorb is an optimal blood-building supplement that provides 36 mg of well-absorbed iron per capsule, combined with essential nutrients such as vitamin C, B6, B12, and folate for optimal absorption. This supplement helps to increase iron levels and alleviate symptoms of iron deficiency, such as fatigue, dizziness, and loss of libido. Thorne Ferrasorb is free from common allergens like gluten, soy, and dairy, and is trusted by over 100 pro teams and 11 U.S. Olympic teams.

What We Like
Easy on stomach
No constipation
Small capsule size
Increases energy levels
Effective for iron deficiency

Pure Encapsulations Iron-C Supplement

Pure Encapsulations Iron-C Supplement Cover
Pure Encapsulations Iron-C - 15 mg - 175 mg Vitamin C - Red Blood Cell Support* - Energy Production - Highly Bioavailable Iron Pill - Gluten Free & Vegan - 60 Capsules

Pure Encapsulations Iron-C Supplement is a premium quality iron and vitamin C supplement that supports optimal muscle function, manufacture of myoglobin for muscle contractions, enhanced absorption of iron, and immune support. The product is made with only premium ingredients sourced from trusted suppliers, and it is free from wheat, eggs, tree nuts & peanuts, gluten, GMOs, and unnecessary binders, fillers & preservatives.

What We Like
Gentle on stomach
No bad taste or smell
Small, easy-to-swallow capsules
Noticeable energy improvement
Good absorption and quality

NovaFerrum Yummy Pediatric Drops Liquid Iron Supplement

GE00133
Red Brown
4 Fl Oz (Pack of 1)
NovaFerrum Yummy Pediatric Drops Liquid Iron Supplement Cover
NovaFerrum Yummy | Pediatric Drops Liquid Iron Supplement for Infants and Toddlers | Liquid Iron for Kids | 15mg of Iron Per 1mL Dose | Ages 4 & Under | Gluten Free Certified | Sugar-Free | Raspberry

NovaFerrum Yummy is a liquid iron supplement for infants and toddlers, clinically proven to be safe and effective at raising iron levels. It does not contain gluten, sugar, alcohol, parabens, synthetic colors, or caffeine, and instead contains natural fruit flavors and sweeteners making it great-tasting for kids. Each dose provides 15mg of iron per 1mL dropper, and one bottle contains 120 servings for a 4-month supply. NovaFerrum Yummy can be dispensed directly or mixed with formula or juice.

What We Like
Clinically proven to be safe and effective at raising iron levels
No gluten, sugar, alcohol, parabens, synthetic colors, or caffeine
Natural fruit flavors and sweeteners make it great-tasting for kids
#TOP 6

Pure Encapsulations OptiFerin-C Iron Supplement

Pure Encapsulations OptiFerin-C Iron Supplement Cover
Pure Encapsulations OptiFerin-C - for Red Blood Cells & Energy - Iron Absorption Support - Energy Supplement* - Vitamin C Enriched - Gluten Free & Non-GMO - 60 Capsules

OptiFerin-C is an iron-based supplement formulated to support red blood cells to transport oxygen, ferritin, and overall immune system health. It includes Ester-C, a natural non-acidic water-soluble form of vitamin C, that aids in the absorption of iron and provides immune support. Iron supports moderation of fatigue in women of childbearing age, and Pure Encapsulations products are made with only premium ingredients with no artificial colors, flavors, sweeteners, or unnecessary binders, fillers, or preservatives.

What We Like
Supports healthy skin and overall immune system health
Includes Ester-C for better iron absorption and immune support
Moderates fatigue in women of childbearing age
Made with premium, pure ingredients
Free from allergens and unnecessary additives
#TOP 7

Iron Supplement for Women Men & Kids | Liquid Iron Supplement for Women Men & Kids | Iron for Healthy Blood & Oxygen | Ages 4 & Up | Sugar Free | Vegan | Non-GMO | Gluten Free

Iron Supplement for Women Men & Kids | Liquid Iron Supplement for Women Men & Kids | Iron for Healthy Blood & Oxygen | Ages 4 & Up | Sugar Free | Vegan | Non-GMO | Gluten Free Cover
Iron Supplement for Women Men & Kids | Liquid Iron Supplement for Women Men & Kids | Iron for Healthy Blood & Oxygen | Ages 4 & Up | Sugar Free | Vegan | Non-GMO | Gluten Free | 16 Fl Oz

Features
Blood Builder Iron Supplement: Iron Is A Critical Component Of Hemoglobin And Myoglobin, Proteins Of Red Blood Cells And Muscle Cells Respectively. Red Blood Cells — Through Their Relationship With Hemoglobin — Accept, Store, And Transport Oxygen Throughout The Body As Needed.
Liquid Iron Supplements For Men, Women, And Kids: Iron Is Important For Blood Production, Cellular Health, Energy Metabolism, And Overall Health. In Fact, Iron Is Important For Transporting Oxygen Through The Body! Adequate Oxygen Levels Are Crucial For Good Health, And Sufficient Iron Intake Helps Ensure That You're Getting The Oxygen You Need.
For Most Lifestyles: MaryRuth's Liquid Iron Supplement For Kids And Adults Is Non-GMO, Vegan, No Artificial Colors. Liquid Iron Made In A GMP (Good Manufacturing Practice) Facility. Dairy Free, Nut Free, Gluten Free, Soy Free, Sugar Free. Clean Label Project Certified. B Corp Certified.
Easy-To-Take Liquid: This Gentle Iron Supplement For Women, Men, And Kids Comes In Liquid Form So It's Easy To Swallow And Adaptable For Measuring Doses As Needed For Your Family — Even When The Kiddos Need A Smaller Dose. Suitable For Ages 4 And Up.
Absorption: Our Iron For Women, Men, And Children Ages 4+ Comes From Bioavailable Ferrochel, Otherwise Known As Ferrous Bisglycinate Chelate, A Unique Form Of Iron That May Have Higher Absorption Rates And Increased Tolerability Than Iron Salts.

Natures Truth Iron Gummies

NT18201A
Natures Truth Iron Gummies Cover
Nature's Truth Iron Gummies | 60 Count | Vegan, Non-GMO & Gluten Free Supplement | with Zinc & B Vitamins | Grape Flavor

Natures Truth Iron Gummies are an essential supplement with 18mg of Iron per serving. The gummies are easy to take, chewable and have a delicious natural grape flavor with no aftertaste. With added essential B-Vitamins & Zinc, the vegan-friendly formula is naturally free of gluten, wheat, milk, lactose, soy, artificial sweeteners, and flavor, and Non-GMO. Backed by three generations of Vitamin Innovators, Natures Truth Iron Gummies are a quality supplement that you can trust.

What We Like
18mg of Iron per serving
Easy to take, chewable gummy form
Delicious natural grape flavor with no aftertaste
Vegan-friendly formula with essential B-Vitamins & Zinc
Naturally free of gluten, wheat, milk, lactose, soy, artificial sweetener & flavor, and Non-GMO

NovaFerrum WOW | 125 High Potency Liquid Iron Supplement

1406
Red Brown
6 Fl Oz (Pack of 1)
NovaFerrum WOW | 125 High Potency Liquid Iron Supplement Cover
NovaFerrum Wow, 125 High Potency Liquid Iron Supplement for Adults, Iron Deficiency, 125mg of Iron Per 5mL Dose, Vegan Verified, Gluten Free Certified, Sugar Free

NovaFerrum WOW is a high potency liquid iron supplement for adults with 125mg of iron per 5mL dose. It has been clinically proven to be safe and effective at raising iron levels in people with Iron Deficiency Anemia. This gluten-free, sugar-free, and vegan verified supplement is enriched with natural fruit flavors and sweeteners. It helps to boost the production of hemoglobin, replenish red blood cells, and promote overall health, athletic performance, and sufficient energy.

What We Like
High potency with 125mg of iron per 5mL dose
Proven to be safe and effective in raising iron levels in people with Iron Deficiency Anemia
Gluten-free, sugar-free, and vegan verified

Renzo's Vegan Iron Supplement for Kids, 90 Melty Tabs

renzos005
Renzo's Vegan Iron Supplement for Kids, 90 Melty Tabs Cover
Renzo's Iron Supplements for Kids, Dissolvable Vegan Iron Supplement with Vitamin C, Sugar Free, Oh-Oh-Oh Orange Flavor, 90 Melty Tabs

Renzo's Iron Supplements for Kids are vegan, gluten-free, and non-GMO, providing an extra boost of iron in a sugar-free, tasty orange-flavored formula that is gentle on the stomach. The product comes with kid-friendly stickers and a note in each box, making it an enjoyable experience for your child. With no sticky, sugary gummies, the Melty Tabs are easy to consume and save money on trips to the dentist.

What We Like
Vegan and gluten-free
Zero sugar formula
Tasty orange flavor
Buying Guide Image

Ready for the Course: How to Buy the Right Gluten-Free Iron Supplements

Introduction to Gluten-Free Iron Supplements

Iron is an essential mineral that our bodies need in order to function properly. It is found in red meat, poultry, seafood, beans, and green leafy vegetables. However, some people may not be able to consume iron from these sources due to dietary restrictions or medical conditions. For these individuals, iron supplements may be necessary to prevent iron deficiency.

Why Choose Gluten-Free Iron Supplements?

One of the main reasons to choose gluten-free iron supplements is if you have celiac disease or are gluten intolerant. Celiac disease is an autoimmune disorder that is triggered by the consumption of gluten, a protein found in wheat, barley, and rye. If you have celiac disease, consuming gluten can damage the lining of your small intestine, making it difficult for your body to absorb nutrients, including iron.

Types of Gluten-Free Iron Supplements

There are several different types of gluten-free iron supplements available. Some of the most common options include ferrous sulfate, ferrous gluconate, and ferrous fumarate. Each of these forms of iron has its own unique set of benefits and drawbacks.

Ferrous sulfate is one of the most commonly used forms of iron supplements. It is inexpensive and easy to find. However, it can cause stomach upset, constipation, and black stools.

Ferrous gluconate is another common form of iron supplements. It is more easily absorbed by the body than ferrous sulfate, making it less likely to cause stomach upset. However, it is more expensive than ferrous sulfate and may not be as widely available.

Ferrous fumarate is another form of iron supplements. It is well-tolerated by most people and is less likely to cause stomach upset than ferrous sulfate. However, it is more expensive than ferrous sulfate and may not be as widely available.

Choosing the Right Gluten-Free Iron Supplement for You

When choosing a gluten-free iron supplement, there are several factors to consider. First and foremost, you should always consult with a healthcare provider before starting any new supplement regimen. Your healthcare provider can help you determine the right type and dose of iron supplement for your needs.

In addition, you should consider the following factors when choosing a gluten-free iron supplement:

  • Cost: Iron supplements can vary widely in cost, depending on the type and brand. Consider your budget when choosing a gluten-free iron supplement.
  • Availability: Some types of gluten-free iron supplements may not be widely available. Consider the availability of the supplement when choosing one.
  • Tolerance: Some people may be more sensitive to certain types of iron supplements than others. If you have experienced stomach upset or other side effects from taking iron supplements in the past, you may want to choose a different type of supplement.
  • Absorption: Different types of iron supplements are absorbed by the body in different ways. Some are more easily absorbed than others, which can affect how well they work. Consider the absorption rate of the supplement when choosing one.

Conclusion

In conclusion, choosing a gluten-free iron supplement can be a challenging task. It is important to consult with a healthcare provider and consider factors such as cost, availability, tolerance, and absorption when making your decision. By taking the time to research and carefully consider your options, you can choose a gluten-free iron supplement that is right for you and your needs.

Frequently Asked Questions (FAQs)

1. How do you get iron on a gluten free diet?

On a gluten-free diet, you can obtain iron from various sources that are safe for individuals with gluten intolerance. Good sources of non-haem iron suitable for a gluten-free diet include leafy green vegetables, pulses like peas, beans, and lentils, and dried fruits such as raisins, apricots, and figs.

2. Do iron supplements work with celiac?

Iron supplementation may be beneficial for individuals with celiac disease (CD) who suffer from iron deficiency anemia (IDA). However, it is important to note that intolerance to iron sulfate and duodenal atrophy could potentially reduce the effectiveness of iron supplementation for some individuals with celiac disease.

3. Can gluten intolerance affect iron levels?

Yes, gluten intolerance can affect iron levels in the body. Individuals with gluten intolerance are more prone to fatigue, especially after consuming gluten. Additionally, gluten intolerance can cause iron-deficiency anemia, which further contributes to tiredness and lack of energy.

4. Is iron-deficiency due to celiac disease?

Iron-deficiency anemia is commonly observed in individuals with newly diagnosed celiac disease. In some cases, iron deficiency anemia may persist even after initiating a gluten-free diet. Iron deficiency anemia can be a presenting clinical feature of celiac disease and may be the only finding present in some individuals.

5. What is the best form of iron for iron-deficiency?

Ferrous sulfate is a commonly used iron supplement for treating iron-deficiency anemia. It is available in tablet and liquid form. However, it's important to note that ferrous sulfate may have side effects such as constipation, stomach cramps, and other digestive issues.

6. Can being gluten-free cause an iron deficiency?

Anemia, often associated with iron deficiency, can be caused by various factors such as increased blood loss or impaired iron absorption. Individuals with celiac disease who follow a gluten-free diet may still experience iron-deficiency anemia, which can persist for variable periods of time.

7. Is anemia a symptom of gluten intolerance?

Yes, anemia can be a symptom of gluten intolerance. Gluten-intolerant individuals are prone to fatigue, especially after consuming gluten. Additionally, gluten intolerance can lead to iron-deficiency anemia, which contributes to tiredness and lack of energy.

8. Do celiacs suffer from low iron?

Individuals with celiac disease often experience iron deficiency anemia, especially during the early stages of the disease. Iron-deficiency anemia can persist even after starting a gluten-free diet. In some cases, iron deficiency anemia may be the presenting clinical feature of celiac disease.

9. Do all celiacs have iron deficiency?

Not all individuals with celiac disease have iron deficiency, but a significant percentage may experience decreased iron storage or iron deficiency. According to a recent study, up to 46% of celiac patients have decreased iron storage, and 32% have an iron deficiency. The damaged part of the intestine responsible for iron absorption in celiac disease is also affected by gluten.

Editor's Notes

During our gluten-free iron supplement research, we found 24 gluten-free iron supplement products and shortlisted 10 quality products. We collected and analyzed 315,988 customer reviews through our big data system to write the gluten-free iron supplements list. We found that most customers choose gluten-free iron supplements with an average price of $18.84.

The gluten-free iron supplements are available for purchase. We have researched hundreds of brands and picked the top brands of gluten-free iron supplements, including THORNE, Nature's Bounty, Pure Encapsulations, NovaFerrum, MaryRuth Organics. The seller of top 1 product has received honest feedback from 48,284 consumers with an average rating of 4.9.

Written by
Elisa Drew Avatar

Elisa Drew is a really professional copywriter specializing in baby products with five years of experience working as a pediatrician once. She has published a series of baby books purchased by over thirty thousand people in the United States.