Best Capsule Iron Supplements of 2026

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.

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.

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.

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.

Garden of Life Vitamin Code Raw Iron Supplement is a vegan capsule containing 22mg of gentle whole food iron and whole food vitamins C, B-12, and folate to support iron absorption and utilization. It includes a RAW probiotic and enzyme blend for digestive support, and is non-constipating. Our iron vitamins support blood & heart health, immune health, reproductive health, eye health, and mental & physical energy. Vitamin Code iron supplements are made from 23 RAW fruits and vegetables together with natural food cofactors. It is RAW, Vegan, Gluten Free, and Dairy Free with No Binders or Fillers.

NUTRAHARMONY Iron 65mg is designed to support your health with its slow-release iron formula, ensuring optimal absorption. This supplement provides your daily iron needs in a form that is gentle on your stomach, making it suitable for both men and women. Enhanced with Vitamin C, it promotes better iron absorption while delivering additional essential vitamins like B12 and D3. The product is made in the USA with high-quality, globally sourced ingredients, ensuring safety and effectiveness in every capsule. Enjoy the benefits of iron without the digestive discomfort often associated with other supplements.

The Garden of Life Vitamin Code Iron Supplement is a gluten-free, dairy-free, and vegan-friendly capsule that contains a gentle and non-binding 28mg of whole food iron. It also features vitamins C, B-6, and B-12, which help support iron absorption and utilization. With a RAW probiotic and enzyme blend for digestive support, this iron supplement also helps in increasing physical performance, healthy blood circulation, and energy levels. The Veggie Mineral Blend of 17 organically grown vegetables and 75 ancient soil-based alkalizing trace minerals in each capsule also provides natural cofactors.

NOW Supplements Iron Capsules contain double strength essential mineral that plays a central role in energy production, immune system function, and neurological health. The Ferrochel Iron Bisglycinate used is clinically demonstrated to have superior absorption and gentle on the stomach without causing constipation. The capsules are vegan, soy-free, sugar-free, kosher, non-GMO, and Halal certified. The GMP Quality Assured product is manufactured in the USA under the examination of NPA A-rated GMP certification.

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.

MaryRuth Organic Iron Drops is a liquid iron supplement for children aged 1-3 years old. It contains bioavailable Ferrochel, a unique form of iron that may have higher absorption rates and increased tolerability than Iron salts. Iron is important for a toddler's immune support, energy levels, a growing body, and overall health. It is a critical component of hemoglobin, myoglobin, proteins of red blood cells, and muscle cells. MaryRuth Organic Iron Drops come in a delicious grape flavor and are easy to take, with no more hard to swallow pills or capsules. The formula is vegan, USDA Organic, Non-GMO, Dairy-Free, Nut-Free, Gluten-Free, Wheat-Free, Soy-Free, Corn-Free, and Sugar-Free. Each bottle comes with 60 servings and can be added to your child's food or drink once daily.