Top 10 Best thorne iron in 2026

Last Updated - 6/15/2026

🏆Best Choice

THORNE

THORNE - Basic Nutrients 2/Day - Comprehensive Daily Multivitamin with Optimal Bioavailability - Vitamin & Mineral Formula - Gluten, Dairy & Soy-Free - 60 Capsules - 30 Servings

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•Optimal Wellness: A daily supplement formulated with key nutrients to maintain health and wellness with just two capsules daily*
•Comprehensive Formula: Contains key vitamins and minerals for foundational support – including heart, brain, nerve, immune, bone, and skin health*
•Well-Absorbed Nutrients: Provides vitamins A, B’s, C, D, E, K1, and K2, as well as minerals with high absorbability*
•3rd Party Contents Certified: This product has been third-party tested and certified to verify what's in the package matches what's on the label
•Trusted: Thorne is chosen by champions and trusted by 100+ professional sports teams, a proud partner of U.S. National Teams, and the #1 recommended clinical brand by health-care practitioners

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$34.00

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THORNE

THORNE - Basic Prenatal - Well-Researched Folate Multi for Pregnant and Nursing Women Includes 18 Vitamins and Minerals, Plus Choline - 90 Capsules - 30 Servings

9.6

ChoiceComparer.com Score

9.6

/ 10

Outstanding

Main highlights

•For Mom and Baby: Pre-conception, pregnancy, and nursing are critical times to ensure a mother's health and nutritional support are being optimized. Thorne’s Basic Prenatal provides folate, choline, and 18 other nutrients that support health without the unnecessary additives in mainstream prenatals
•Active Folate: Folate is provided for brain and spinal cord development.* Basic Prenatal includes 5-MTHF, the bioactive form of folate for optimal absorption; especially indicated for women who don't get sufficient folate because of their genetic makeup*
•Gentle and Effective: Contains well-absorbed nutrients that are gentle on the stomach. Vitamins C, B6, and K have been shown to benefit “morning sickness”*
•Plus Choline: Contains 110 mg of choline per serving, an important nutrient for fetal brain and neurological development*
•Trusted: Thorne is chosen by champions and trusted by 100+ professional sports teams, a proud partner of U.S. National Teams, and the #1 recommended clinical brand by health-care practitioners

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$35.00

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THORNE

THORNE - Iron Bisglycinate - 25 mg Iron Supplement for Enhanced Absorption Without Gastrointestinal Side Effects* - NSF Certified for Sport - Gluten-Free - 60 Capsules

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•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
•NSF Certified for Sport: Tested for compliance with label claims and to ensure the absence of nearly 300 substances banned by many major athletic organizations
•Trusted: Thorne is chosen by champions and trusted by 100+ professional sports teams, a proud partner of U.S. National Teams, and the #1 recommended clinical brand by health-care practitioners

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$15.00

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MegaFood

MegaFood Blood Builder Iron Supplement for Women & Men - Increase Iron Levels Without Side Effects - Combats Fatigue - Vitamin B12, Folic Acid & Vitamin C - Vegan - 72 Mini Tablets (36 Servings)

9.3

ChoiceComparer.com Score

9.3

/ 10

Excellent

Main highlights

•INCREASES IRON LEVELS: MegaFood Blood Builder was shown in a 8 week clinical trial to increase iron levels without constipation; an effective and gentle iron with vitamin C source that can be used as an iron supplement for women+
•SUPPORTS RED BLOOD CELL PRODUCTION: These iron supplements for women include folic acid and B12 which help maintain red blood cell production and delivers a gentle and effective 26 mg of iron per serving to combat fatigue and improve energy levels+
•GENTLE & CONVENIENT FORMULA: Blood Builder can be used as iron tablets for women, teenage girls, pregnant women, menstruating women, vegans, vegetarians, athletes, and recent blood donors; Convenient mini tablets
•FLEXIBLE DOSAGE: Take 2 tablets any time of day with a beverage, even on an empty stomach; This iron supplement is suitable for vegan diets; Not intended for children
•COMMITTED TO QUALITY: Tested for 150 chemical substances. Non-GMO Project verified, vegan, and kosher; The iron vitamin tablets are made without gluten, dairy, eggs, tree nuts, peanuts, soy, fish, shellfish or sesame in a GMP facility

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$16.31

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THORNE

THORNE - Ferrasorb - 36 mg Iron with Essential Nutrients - Complete Blood Support Formula* - Elemental Iron, Folate, B and C Vitamins for Optimal Absorption - Gluten-Free - 60 Capsules

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•Well-Absorbed Iron: Provides 36 mg of elemental iron per capsule in a well-absorbed, non-constipating form as iron bisgycinate, with B vitamins and vitamin C to enhance iron’s absorption*
•Nourish Your Blood: An optimal blood support supplement that combines vitamin C, vitamin B6 (pyridoxal 5'-phosphate), vitamin B12 (methylcobalamin), and folate (L-5-MTHF) with iron bisglycinate*
•Increase Iron Levels: An iron deficiency can manifest as weakness, fatigue, shortness of breath on exertion, dizziness, tinnitus, spots before the eyes, drowsiness, irritability, infrequent menses, and loss of libido
•Plus cofactors: Iron is not the only nutrient essential for healthy red blood cells. Being deficient in key B vitamins can also lead to adverse issues with red blood cell formation*
•Trusted: Thorne is chosen by champions and trusted by 100+ professional sports teams, a proud partner of U.S. National Teams, and the #1 recommended clinical brand by health-care practitioners

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$25.00

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Pure Encapsulations

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

9.0

ChoiceComparer.com Score

9.0

/ 10

Great

Main highlights

•Iron Vitamin Synergy: Each Iron-C capsule combines 15 mg of iron (as iron glycinate and iron aspartate) with 175 mg of vitamin C for optimal absorption
•Red Blood Cell Support: Iron-C minerals supplement supports red blood cell production and health, as well as support muscle function*
•Highly Bioavailable Iron Pill: Iron glycinate and iron aspartate are highly bioavailable forms of iron, supporting absorption
•Suggested Use: As a dietary supplement, take 1 iron glycinate capsule, 1-2 times daily, with meals
•Pure Difference: What we leave out matters, too; Pure Encapsulations products are FREE FROM common allergens, artificial or unnecessary ingredients, and GMOs

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$13.20

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Solgar

Solgar Gentle Iron, 180 Vegetable Capsules - Ideal for Sensitive Stomachs - Non-Constipating - Red Blood Cell Supplement - Non GMO, Vegan, Gluten-Free, Dairy Free, Kosher - 180 Servings

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•Advanced, Patented Form Of Iron; Solgar Gentle Iron 25mg is gentle on your system; Non-constipating, Stomach friendly iron supplement for women and men
•Enhanced Absorption Formulation; Helps promote iron rich blood; Iron is an important component of hemoglobin, the protein that carries oxygen from lungs to all body tissues and cells
•Supports Energy Utilization; Iron promotes normal red blood cell production; Iron is a key mineral and essential nutrient for many biological functions
•Non GMO And Gluten Free; Solgar Gentle Iron 25mg Vegetable Capsules are suitable for vegans; Free of: gluten, wheat, dairy, soy, yeast, sugar, sodium, artificial flavor, sweetener, and color
•The Gold Standard: For over 70 years Solgar has been committed to quality, health, and well-being. Our mission is to create the finest nutritional supplements in small batches, through tireless research, using only the finest raw materials

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$16.60

$18.98

-13%

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Garden of Life

Garden of Life Vitamin Code Raw Iron Supplement - 30 Vegan Capsules, 22mg Once Daily Iron, Vitamins C, B12, Folate, Fruit, Veggies & Probiotics, Iron Supplements for Women, Energy & Anemia Support

8.7

ChoiceComparer.com Score

8.7

/ 10

Good

Main highlights

•BOOSTED IRON ABSORPTION: Vitamin Code RAW iron pills contain 22mg of gentle whole food iron and whole food vitamins C, B-12, and folate to support iron absorption and utilization
•PROBIOTICS AND ENZYMES: Our vegan iron supplement includes a RAW probiotic and enzyme blend for digestive support
•ENERGY SUPPLEMENT: Our iron vitamins support blood & heart health, immune health, reproductive health, eye health, and mental & physical energy
•NATURAL COFACTORS: Vitamin Code iron supplements is made from 23 RAW fruits and vegetables together with natural food cofactors
•VEGAN VITAMIN: Our real food iron supplement is RAW, Vegan, Gluten Free, and Dairy Free with No Binders or Fillers

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$13.29

$16.15

-18%

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Pure Encapsulations

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

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•Iron Utilization & Ferritin Boost: OptiFerin-C has unique patented chemistry for increased ferritin iron absorption, supporting red blood cells to transport oxygen in the body*
•Energy Support: Small capsules for simpler daily intake with meals, acting as effective energy supplements for general fatigue relief*
•Vitamin C Enriched: Made with high-quality, vegan vitamin C to help support the absorption of iron*
•Ferritin Iron Supplement Usage: As a dietary supplement, take 1 vitamin c supplement capsule, 1-3 times daily, with meals
•Pure Difference: What we leave out matters, too; Pure Encapsulations products are FREE FROM common allergens, artificial or unnecessary ingredients, and GMOs

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$15.00

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