Best Iron Supplements (Updated August 2025)

Iron is an essential mineral that plays a crucial role in transporting oxygen throughout the body. For those with iron deficiency or anemia, taking an iron supplement can be an effective way to restore balance. BuyersReport's experts have broken down the features, & benefits of the top-rated, most effective options so you can make an informed choice – our comprehensive review can help you find the best iron supplements for your health needs.

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1
Best Overall
Ferrous Sulfate Iron Supplement Nutricost

Ferrous Sulfate Iron Supplement

10.0 (1,420 reviews)
  • Iron (as ferrous sulfate) is the only active ingredient)
  • 65mg of iron per serving
  • 240 tablets, 240 servings - just 1 tablet for a full serving
  • Vegetarian friendly, non-GMO, gluten free
  • Made in a GMP compliant, FDA registered facility
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Picked by 208 people today

2
Vegan Iron + Vitamin C Supplement for Energy & Immunity Support Future Kind

Vegan Iron + Vitamin C Supplement for Energy & Immunity Support

9.9 (1,190 reviews)
  • Supports energy levels & improves immune function
  • Contains chelated iron, meeting 100% of the daily recommended value
  • More effectively absorbed with ferrochel or ferrous bisglycinate
  • Contains 50 mg of vitamin C to support your body's natural defenses
  • 100% vegan formula, eco-friendly packaging, carbon neutral shipping
10% Off CHECK PRICE Amazon

Picked by 234 people today

3
Vegan Liquid Iron Supplement Why Not Natural

Vegan Liquid Iron Supplement

9.8 (882 reviews)
  • Promotes energy & metabolism, blood & cells support
  • High bioavailability with ferrous bisglycinate chelate
  • Helps with low iron symptoms like fatigue, weakness & more
  • Delicious organic blackberry flavored, easy to take liquid iron
  • Vegan, GMO & gluten free, made in USA & third party tested
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Picked by 204 people today

4
Ferrochel Chelated Iron Supplement Designs for Health

Ferrochel Chelated Iron Supplement

9.6 (1,780 reviews)
  • Integral for many body processes, including metabolism & immune function
  • Made to be well tolerated by the gastrointestinal system
  • Uses Iron bisglycinate to deliver 27 mg in each capsule
  • Formula can also be used for adults, teens & pregnant women
  • Vegetarian & vegan-friendly, made without GMOs, gluten, dairy, or soy
5% Off CHECK PRICE Amazon

Picked by 143 people today

5
High Absorption Slow Release Iron for Energy Support NUTRAHARMONY

High Absorption Slow Release Iron for Energy Support

9.5 (1,357 reviews)
  • Supports steady & effectively maintains healthy iron levels in the blood
  • Promotes long-lasting energy helping to stay active & energized
  • Designed to provide iron 65mg in a form that ensures optimal absorption
  • Slow release technology, high absorption, stomach-friendly
  • Natural ingredients, GMO & gluten & soy free, made in USA
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Picked by 116 people today

Top Rated Iron Supplement

1
Best Overall
Ferrous Sulfate Iron Supplement Nutricost

Ferrous Sulfate Iron Supplement

10.0 (1,420 reviews)
  • Iron (as ferrous sulfate) is the only active ingredient)
  • 65mg of iron per serving
  • 240 tablets, 240 servings - just 1 tablet for a full serving
  • Vegetarian friendly, non-GMO, gluten free
  • Made in a GMP compliant, FDA registered facility
CHECK PRICE Amazon

Picked by 208 people today