10 Best iron supplement (2025)

10 Best iron supplements (2025) offer a range of options for those seeking to boost their iron levels effectively. These top-rated supplements are formulated to enhance absorption and minimize gastrointestinal discomfort, making them suitable for various dietary needs. Brands like Garden of Life, Nature’s Bounty, and Solgar lead the market with their high-quality, vegan-friendly, and non-GMO products. Additionally, many of these supplements include complementary vitamins, such as vitamin C, to further improve iron absorption. Whether you prefer capsules, gummies, or liquid forms, these iron supplements cater to diverse preferences and lifestyles, ensuring optimal health and vitality.

SaleBestseller No. 1
Nature's Bounty Iron 65mg, 325 mg Ferrous Sulfate, Cellular Energy Support, Promotes Normal Red Blood Cell Production, 100 Tablets
  • A NECESSARY COMPONENT OF HEMOGLOBIN Iron is a necessary component of hemoglobin; the oxygen carrier responsible for delivering oxygen to the cells; including muscle cells (1); Nature’s Bounty Iron helps promote normal red blood cell production (1)
  • HELPS MAINTAIN ENERGY UTILIZATION (1) Iron supports energy utilization; helping you to feel your best (1)
  • SUPPORTS WOMEN’S HEALTH (1) Everyone needs Iron; but pregnancy and menstruation may increase Iron requirements; Often recommended as a mineral supplement for women; Nature’s Bounty Iron offers the daily nutritional support you need (1)
  • NECESSARY FOR OVERALL HEALTH Taking a daily Iron supplement with Ferrus Sulfate helps provide your body with the iron it needs for daily functioning (1)
  • FROM THE TRUSTED WELLNESS EXPERTS Nature’s Bounty Iron is a product of 50 years of dedication to quality; consistency and scientific research to make vitamins and nutritional supplements of unrivaled excellence
Bestseller No. 2
Nature Made Iron 65 mg (from Ferrous Sulfate) Tablets for Red Blood Cell Formation (365 ct.).
  • ✅ Iron support supplement: contains one 365 count bottle of Nature Made Iron 65 mg (325 mg Ferrous Sulfate)(1) Tablets for a 365-day supply
  • ✅ This Nature Made Iron supplement is an Iron deficiency supplement that is vital for red blood cell formation
  • ✅ This adult Iron supplement 65 mg provides a dietary supplement for those who are Iron deficient, including women in their reproductive years
  • ✅ Adults take one of these 65 mg Nature Made Iron tablets for Iron deficiency daily with water and a meal
  • ✅ These gluten free Nature Made Iron supplements have no synthetic dyes and no artificial flavors
Bestseller No. 3
MegaFood Blood Builder - Iron Supplement Clinically Shown to Increase Iron Levels without Side Effects - Iron Supplement for Women with Vitamin C, Vitamin B12 and Folic Acid - Vegan - 90 Tabs
  • Gentle Iron Tablets: Clinically shown to increase iron levels without side effects
  • Vital Nutrients: Formulated with vitamin C and beet root
  • Nourishing Ingredients: Includes folic acid and vitamin B12 for healthy red blood cell production
  • Better Health Starts with Nature: We use real food and added nutrients in our premium supplements
  • Goodness is in Our Roots: We believe you are what you do, and so we’re obsessed with quality
Bestseller No. 4
THORNE Iron Bisglycinate - 25 mg Iron Supplement for Enhanced Absorption Without Gastrointestinal Side Effects - NSF Certified for Sport - Gluten-Free - 60 Capsules
  • Well-Absorbed Iron: Provides 25 mg of elemental iron per capsule in a non-constipating, well-absorbed form as iron bisglycinate
  • Resists Fatigue: Resists fatigue and other symptoms of iron deficiency, such as weakness, shortness of breath, dizziness, tinnitus, drowsiness, irritability, infrequent menstruation, and loss of libido
  • Blood Support: An essential mineral for the formation of new blood cells
  • Certified For Sport: Supports high-performance nutrition programs and is NSF Certified for Sport
  • Trusted: Thorne is chosen and trusted by 100+ pro teams. Thorne is the only supplement manufacturer to collaborate with Mayo Clinic on wellness research and content. Thorne is a proud partner of U.S. Olympic Teams
SaleBestseller No. 5
NOW Foods Supplements, Iron 18 mg, Non-Constipating*, Essential Mineral, 120 Veg Capsules
  • ESSENTIAL MINERAL/FERROCHEL IRON BISGLYCINATE: Iron is an essential mineral that plays central roles in energy production, immune system function, and neurological health
  • GENTLE AND NON-CONSTIPATING/VEGAN CAPSULES: NOW uses Ferrochel Iron Bisglycinate, which has clinically demonstrated superior absorption and is well tolerated because it is gentle and non-constipating*
  • CERTIFICATIONS/CLASSIFICATIONS: Non-GMO, Halal, Kosher, Dairy Free, Egg Free, Made without Gluten, Nut Free, Soy Free, Sugar Free, Vegan/Vegetarian
  • GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation)
  • Packaged in the USA by a family owned and operated company since 1968
SaleBestseller No. 6
Vitron-C Iron Supplement, Immunity Support Iron Supplements with Vitamin C, Iron Pills for Immune Support, 60 Count
  • Vitron-C is a high potency iron supplement for iron deficiency and supports red blood cell production*
  • Iron pills boost energy by helping to fight fatigue in users with low iron levels
  • Iron supplements for women and men contain 65 mg of elemental iron and 125 mg of Vitamin C to support a healthy immune system and to improve iron absorption
  • Gentle iron absorption and helps minimize constipation with carbonyl iron using one iron pill daily
  • Dye Free, gluten free, vegan with no artificial colors or flavors
Bestseller No. 7
21st Century Slow-Release Iron Supplement, 60 Count, High Potency Iron Tablets with 142 mg Ferrous Sulfate, Gluten Free Iron Supplement for Women & Men, With No Added Yeast or Artificial Flavors
  • HIGH-POTENCY IRON SUPPLEMENT: 21st Century Slow Release Iron delivers 45 mg elemental iron per tablet, equivalent to 142 mg Ferrous Sulfate. This gentle iron supplement offers gradual absorption to enhance energy levels while minimizing discomfort
  • IRON PILLS FOR ADULTS: These iron tablets support healthy red blood cell production. Suitable for adults with increased iron needs or those looking for mineral supplements to boost energy, vitality, and overall wellness
  • EASY DAILY NUTRITION: Take one tablet daily with a meal or as directed by a healthcare provider. Do not exceed the recommended dosage. Individual results may vary. Maintain optimal iron levels without the side effects of traditional iron supplements*
  • CAUTION & CARE: These iron supplements are gluten-free and have no added yeast or artificial flavors, making them suitable for daily use. Contains a bioengineered food ingredient to support modern nutrient needs effectively
  • WELLNESS THAT WORKS FOR YOU: For over 30 years, the 21st Century has been proud to offer high-quality, innovative, and trusted vitamin and supplement products to improve the health and well-being of individuals, families, and communities worldwide
Bestseller No. 8
Floradix by Salus Iron & Herbs - Liquid Herbal Supplement for Energy Support - Iron Supplement with Vitamin C & B Complex Vitamins - Liquid Iron Supplement for Men & Women - 8.5 oz
  • Liquid Iron Supplement: This energy support supplement offers 10mg of easily absorbed iron and aids your body in receiving the necessary iron intake for optimal health support
  • Mineral Supplement for Men & Women: This iron supplement is enriched with herbal extracts and vitamins that are known for their health benefits
  • Iron Supplement with Vitamin C: Our unique iron supplement formula includes rose hip extract, which is known to support iron absorption support
  • Essential Mineral Supplement: For best results, adults should take 10 mL twice daily and children should take 10 mL once daily; this supplement is vegetarian, non-GMO, lactose-free, and kosher
  • About Floradix & Salus: For more than 100 years, Salus has been formulating high-quality wellness products and supplements to support overall health
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