10 Best Iron Supplements 2025 in the United States

The MegaFood Blood Builder is a vegan iron supplement designed to increase iron levels without causing side effects, which makes it a gentle option for those who may experience digestive issues with other iron supplements. It contains 60 tablets, each enriched with additional nutrients such as vitamin C, vitamin B12, and folic acid. These added vitamins help support healthy red blood cell production and improve the absorption rate of iron in the body. The inclusion of beet root is another bonus, contributing to overall health benefits.

The tablets are unflavored, which might be a plus for people who are sensitive to strong tastes in supplements. However, it's important to note that individual responses to supplements can vary, so while many may not experience side effects, others might still have some digestive discomfort. Additionally, for those who require a higher daily dosage of iron, the dosage per tablet in this supplement may require them to take multiple tablets per day, which might not be convenient for everyone.

Despite these minor drawbacks, the MegaFood Blood Builder is a solid choice for those looking for a gentle, nutrient-rich iron supplement.

THORNE Ferrasorb offers a comprehensive iron supplement that seems well-suited for adults experiencing iron deficiencies. It provides 36 mg of elemental iron in each capsule using iron bisglycinate, a form known for being well-absorbed and less likely to cause constipation compared to other iron types. The inclusion of vitamin C, vitamin B6, vitamin B12, and folate enhances iron absorption and supports blood health, making it particularly effective for those dealing with symptoms like fatigue or dizziness due to iron deficiency.

The supplement is also gluten-free, a plus for those with dietary restrictions. However, while the addition of these essential nutrients is beneficial, users should be mindful of potential side effects such as gastrointestinal discomfort, which can occur with any iron supplement. Each bottle contains 60 capsules, making it easy to integrate into a daily routine.

THORNE, a trusted brand endorsed by various professional teams and partnered with the Mayo Clinic, adds a layer of credibility to the product. This supplement seems particularly beneficial for adults needing a reliable and gentle iron supplement to boost their iron levels and energy, but it's important to follow dosage recommendations to avoid adverse effects.

The MegaFood Women's Multivitamin One Daily is a versatile supplement designed to support women's health comprehensively. It contains 9 mg of iron per serving, which is beneficial especially for women who need to replenish iron lost during menstruation. The iron content, while not exceptionally high, is adequate for daily maintenance and prevention of deficiency. The multivitamin is crafted in tablet form, making it easy to consume with a drink at any time of day, even on an empty stomach, which is convenient for a busy lifestyle.

Additionally, the product includes an array of other essential nutrients like B vitamins for energy, Vitamin C and Zinc for immune support, and Vitamin D3 for bone health, providing a well-rounded approach to daily nutrition. It is also made with real food ingredients such as blueberry, cranberry, and broccoli, which may enhance the absorption and bioavailability of vitamins and minerals. On the downside, those requiring a higher iron dosage might need to look elsewhere or consider additional supplementation.

The product's gluten-free, vegetarian, and non-GMO certifications are appealing for individuals with dietary restrictions. However, be aware that the iron dosage may not be sufficient for those with severe deficiencies or those needing higher therapeutic doses. The presence of other vitamins and nutrients makes this a strong contender for women seeking an all-in-one multivitamin solution that supports health and well-being.