July 21, 2025

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Iron Absorptions of 2025

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Best Choice

1

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
Main highlights

Iron with Enhanced Absorption
Provides 36 mg of iron bisglycinate with B vitamins and vitamin C for optimal absorption and minimal side effects.

Ideal for Iron Deficiency
Perfect for individuals experiencing fatigue, dizziness, or low energy due to iron deficiency.

Gentle on Stomach
Praised for being easy to digest and non-constipating, ideal for sensitive stomachs.
9.9

Exceptional

Our Rating

9.9
simple to consume

9.7
Absorbency

9.3
worth the money
How do we rank?

Powerful technology We scan thousands of products and stores, analyzing reviews to find what matters most to users like you

Careful review Our team ensures quality, value, and fit based on real user feedback

Trusted insights AI and human analysis guide your decisions, reflecting real user priorities
Real users impact

Thousands of users trust our site daily

Based on millions of stores and reviews

Shoppers influence our rankings
Analyzing top stores
Value for Money

2

MaryRuth Organics

MaryRuth Organics Iron Gummies for 14+ with Vitamin C for Absorption | Sugar Free | Gummy Iron Supplement + VIT C | Energy Metabolism | Cellular Health | Immune Support | Vegan | Non-GMO | 60 Count
9.8

Exceptional

Our Rating
3

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

Enhanced Absorption Without Side Effects
Provides 25 mg of elemental iron in a non-constipating, well-absorbed form, minimizing gastrointestinal side effects.

Ideal for Athletes and Active Individuals
NSF Certified for Sport, suitable for high-performance nutrition programs and trusted by professional sports teams.

Stomach-Friendly Iron Supplement
Customers appreciate the lack of digestive issues and unpleasant aftertaste compared to other iron supplements.
9.7

Exceptional

Our Rating

9.7
simple to consume

9.3
Absorbency

9.3
Flavor
4

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
Main highlights

Iron Absorption Support
OptiFerin-C enhances ferritin iron absorption, aiding oxygen transport and energy support with vitamin C enrichment.

Ideal for Low Ferritin Levels
Perfect for individuals needing increased iron absorption and energy boost, especially with low ferritin or iron deficiencies.

Easy to Take Capsules
Customers appreciate the small, easy-to-swallow capsules and lack of common side effects.
9.4

Excellent

Our Rating

9.7
simple to consume

9.7
Absorbency

9.3
Flavor
5

MegaFood
MegaFood Blood Builder Minis, Iron Supplement Clinically Shown to Increase Iron Levels Without Side Effects - Vegan Supplement with Vitamin C, Vitamin B12 & Folic Acid, 72 Tablets (36 Servings)
Main highlights

Clinically Proven Iron Boost
MegaFood Blood Builder increases iron levels without causing constipation, featuring 26 mg of gentle iron per serving.

Versatile Use for Various Needs
Ideal for menstruating women, vegans, athletes, and recent blood donors seeking to improve energy and combat fatigue.

Customer Praised Energy Boost
Users frequently highlight significant energy increase and improved breathing as top benefits.
9.2

Excellent

Our Rating

9.9
simple to consume

9.5
worth the money

9.5
Absorbency
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6

Doctor's Recipes
Doctor's Recipes Iron Supplement 65 mg with Vitamin C - Maximized Absorption, Stomach Friendly & High Potency Iron Pills for Red Blood Cells Formation & Immunity Health - Vegan Non-GMO 60 Iron Tablets

25% Off
Main highlights

Iron with Vitamin C for Absorption
Provides 65 mg of carbonyl iron with 250 mg vitamin C for enhanced absorption and fewer digestive issues.

Ideal for Iron Deficiency
Perfect for individuals needing to restore iron levels without stomach discomfort.

Stomach-Friendly Formula
Praised for being easy on the stomach, with no side effects reported.
Key specs
- Formulation:Carbonyl iron
- Bioavailability:High 98%
- Elemental Iron:65 mg
- Dietary Restrictions:Vegan, Non-GMO, Gluten-free
- Vitamin C:250 mg
9.1

Excellent

Our Rating

9.7
simple to consume

9.3
Absorbency

8.7
Flavor
7

Feosol
Feosol Complete Iron Supplement Caplets, Bifera Iron for High Absorption, Heme and Non-Heme Dual Action Minimizes Side Effects, 1 Per Day, for Energy and Immune System Support, Made in USA, 30 Count
Main highlights

High Absorption Dual Iron
Combines heme and non-heme iron for enhanced absorption and minimal side effects.

Ideal for Iron Deficiency
Perfect for those with anemia or iron deficiency seeking gentle supplementation.

Gentle on Stomach
Praised for causing no nausea or gastrointestinal issues as per user reviews.
Key specs
- Formulation:Caplet
- Bioavailability:Enhanced absorption
- Elemental Iron:N/A
- Dietary Restrictions:N/A
- Vitamin C:N/A
9.0

Excellent

Our Rating

9.9
simple to consume

9.5
Absorbency

9.5
Flavor
8

Igennus Healthcare Nutrition
Igennus High Absorption Chelated Iron Bisglycinate 20mg, Vitamin C, 6 Month Supply, Gentle Formula, Clean Label & Targeted Release Ferrous Bisglycinate for Women and Men, One Daily, Vegan, 180 Tablets
Main highlights

Key Features and Benefits
Features 20mg of bioavailable iron bisglycinate with Vitamin C for high absorption and energy boost, gentle on the stomach, vegan-friendly.

Ideal Use Cases
Best for individuals with iron deficiency, experiencing symptoms like low energy, brain fog, or poor immune health, seeking a non-constipating solution.

Customer Reviews Highlight
Most praised for its high effectiveness in improving ferritin levels without causing stomach issues or constipation, leading to increased energy and well-being.
Key specs
- Formulation:Iron bisglycinate
- Bioavailability:High absorption
- Elemental Iron:20mg
- Dietary Restrictions:Vegan, non-GMO
- Vitamin C:Included
8.9

Very Good

Our Rating

9.7
Absorbency

9.7
simple to consume

8.7
Flavor
9

New Elements
Iron Supplement for Women & Men Free Blood Builder, Iron Vitamin for Anemia | Liquid Iron Drops for Adults with MCT Oil, Natural Grape Flavor, Faster Absorption & Immune Support, 2 Fl Oz
Main highlights

Rapid Absorption and Energy Boost
Easily absorbed liquid iron supplement with MCT oil for faster energy boost and overall health support.

Ideal for Iron Deficiency Anemia
Perfect for individuals needing iron supplementation to prevent anemia and enhance oxygen transport in the body.

Customer Praised Flavor and Ease
Grape flavor praised by users, offering a pleasant taste and easy consumption experience.
Key specs
- Formulation:Iron supplement
- Bioavailability:Easily absorbed
- Elemental Iron:Easily absorbed form
- Dietary Restrictions:Non-GMO, Gluten-Free, Vegan
- Vitamin C:N/A
8.6

Very Good

Our Rating
10

Vitacook
Vitacook Iron Supplement for Women Men, High Potency Iron 65mg with Vitamin C 250mg, Slow Release Stomach Friendly Iron Pills for Red Blood Cell & Immune Support, Non-GMO, Gluten Free, 60 Vegan Tabs
Main highlights

High Potency and Gentle
Contains 65 mg of elemental iron and 250 mg of Vitamin C, gentle on the stomach.

Ideal for Energy and Muscle
Supports hemoglobin production, enhancing energy utilization and physical performance.

Customer Praised Vitamin C
Highly valued for its addition of Vitamin C, aiding iron absorption.
Key specs
- Formulation:Tablet
- Bioavailability:High
- Elemental Iron:65 mg
- Dietary Restrictions:Vegan, non-GMO, gluten-free
- Vitamin C:250 mg
8.5

Good

Our Rating

9.5
simple to consume

9.1
Flavor

8.0
Absorbency

Iron Absorptions of 2025

1

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

9.9

9.7

9.3

How do we rank?

How do we rank?

Analyzing top stores

2

MaryRuth Organics Iron Gummies for 14+ with Vitamin C for Absorption | Sugar Free | Gummy Iron Supplement + VIT C | Energy Metabolism | Cellular Health | Immune Support | Vegan | Non-GMO | 60 Count

3

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

9.7

9.3

9.3

4

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

9.7

9.7

9.3

5

MegaFood Blood Builder Minis, Iron Supplement Clinically Shown to Increase Iron Levels Without Side Effects - Vegan Supplement with Vitamin C, Vitamin B12 & Folic Acid, 72 Tablets (36 Servings)

9.9

9.5

9.5

6

Doctor's Recipes Iron Supplement 65 mg with Vitamin C - Maximized Absorption, Stomach Friendly & High Potency Iron Pills for Red Blood Cells Formation & Immunity Health - Vegan Non-GMO 60 Iron Tablets

9.7

9.3

8.7

7

Feosol Complete Iron Supplement Caplets, Bifera Iron for High Absorption, Heme and Non-Heme Dual Action Minimizes Side Effects, 1 Per Day, for Energy and Immune System Support, Made in USA, 30 Count

9.9

9.5

9.5

8

Igennus High Absorption Chelated Iron Bisglycinate 20mg, Vitamin C, 6 Month Supply, Gentle Formula, Clean Label & Targeted Release Ferrous Bisglycinate for Women and Men, One Daily, Vegan, 180 Tablets

9.7

9.7

8.7

9

Iron Supplement for Women & Men Free Blood Builder, Iron Vitamin for Anemia | Liquid Iron Drops for Adults with MCT Oil, Natural Grape Flavor, Faster Absorption & Immune Support, 2 Fl Oz

10

Vitacook Iron Supplement for Women Men, High Potency Iron 65mg with Vitamin C 250mg, Slow Release Stomach Friendly Iron Pills for Red Blood Cell & Immune Support, Non-GMO, Gluten Free, 60 Vegan Tabs

9.5

9.1

8.0

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Iron Glycinate 50mg with Vitamin C | Advanced Iron Supplement for Anemia Relief, Immune Boost & Energy Support | Gentle on Stomach, Fast Absorption | Non-GMO, Gluten-Free Softgels for Women & Men

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Fusion Lifestyle Chewable Iron Supplement for Women & Men - Cherry Flavor, Iron Vitamin C Soft Chew for Max Absorption, Iron as Ferrous Fumarate, Ideal for Anemia and Iron Deficiency, 2 Month Supply

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LifeSeasons - Blood Nourish-R - Iron Deficiency Supplement - Supports Anemia, Fatigue, Paleness & Dizziness - No Constipation - Blood Building - Iron, Alfalfa, Raspberry & Vitamin B-12-60 Capsules

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Feosol Original Iron Supplement Tablets, Non-heme, 325mg Ferrous Sulfate (65mg Elemental Iron) per Iron Pill, 1 Per Day, 120ct, 4 Month Supply, for Energy and Immune System Support, Made in USA

$9.56

Designs for Health Ferrochel Chelated Iron - Highly-Absorbable Iron Supplement for Women & Men as Ferrous Bisglycinate Chelate - Iron Pills Safe for Pregnant Women & Teens (120 Vegan Iron Capsules)

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Barimelts Iron with Vitamin C, 90 Fast-Dissolving Tablets (1-Month Supply), Sugar-Free Bariatric Iron Supplement for Women, Natural Orange Flavor​

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MegaFood Blood Builder Iron Supplement Clinically Shown to Increase Iron Levels Without Side Effects, Vegan Supplement for Women with Vitamin C, Vitamin B12 & Folic Acid, 30 Tablets

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Barimelts Iron with Vitamin C, 90 Fast-Dissolving Tablets (1-Month Supply), Sugar-Free Bariatric Iron Supplement for Women, Natural Orange Flavor