Updated: 13 May 2026

10 Best iron supplement by thornes of 2026

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Updated: 13 May 2026

#1

Best Choice

Thorne Methyl-Guard Plus - Active folate (5-MTHF) with Vitamins B2, B6, and B12 - Healthy Level of homocysteine - Gluten-Free, Dairy-Free, Soy-Free - 90 Capsules

9.7

THORNE

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Free From: Doesn't contain gluten, eggs, tree nuts, peanuts, dairy, yeast, soy, fish, or shellfish

Cardiovascular Support: Providing the nutritional cofactors for optimal cardiovascular health

Active Forms: Formulated with active folate (5-MTHF) and the active, tissue-ready forms of vitamins B2, B6, and B12 to optimize absorption
#2

Best Value

Thorne Research - High Potency Zinc Picolinate 30 mg -180 Capsules

9.4

THORNE

-11%

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Main highlights

Trusted by health professionals globally, Thorne Research ensures high-quality, research-based formulas

Special ingredients feature the well-absorbed form of zinc, picolinate, for optimal health benefits

High potency 30mg Zinc Picolinate in a convenient 180 capsule bottle

-11%
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#3

Thorne Research - Ferrasorb - Iron With Essential Nutrients Vitamin Supplement - 60 Capsules

9.2

THORNE

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Trusted by health professionals globally, Thorne Research ensures high-quality, research-based formulas

High-quality iron supplement with essential nutrients

Contains a unique blend of nutrients for optimal absorption
#4

Thorne Research - Copper Bisglycinate - Vitamin Supplement - 60 Capsules

9.1

THORNE

-33%

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Well-absorbed trace mineral supplement

Trusted by health professionals globally, Thorne Research ensures high-quality, research-based formulas

Suitable for individuals seeking a high-quality copper supplement

-33%
#5

Swisse Ultiboost Iron - with Vitamin C to Support Dietary Iron Absorption - 30 Tablets

9.0

Swisse

-40%

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Vitamin C to support absorption of dietary iron.

Tailored iron Supplement.

Contains iron, vitamin B6 and vitamin C to relieve tiredness and fatigue.

-40%
#6

Swisse Ultiboost Iron - with Vitamin C to Support Dietary Iron Absorption - 30 Tablets

8.9

Swisse

-46%

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Main highlights

Vitamin C to support absorption of dietary iron.

Tailored iron Supplement.

Contains iron, vitamin B6 and vitamin C to relieve tiredness and fatigue.

-46%
#7

Natural Heme Iron Supplement Capsules from Grass-Fed Beef Spleen for Energy & Red Blood Cell Support | Ancestral Nutrition Primal Iron | 90 Capsules, Non-Constipating

8.8

Ancestral Nutrition

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SUPPORTS RED BLOOD CELL FORMATION: Iron is a critical component of hemoglobin, essential for transporting oxygen throughout the body and supporting the healthy formation of red blood cells for overall vitality and wellness.

SUPERIOR ABSORPTION, GENTLE ON THE STOMACH: Heme iron is the form of iron your body recognizes and absorbs most efficiently, without the digestive discomfort or constipation often associated with plant-based or synthetic iron supplements.

NATURE'S RICHEST HEME IRON: Combat tiredness and support your energy levels with Primal Iron, a pure beef spleen supplement providing 11.5mg of highly bioavailable, natural heme iron per serve—almost 100% of your RDI.
#8

Natural Heme Iron Supplement Capsules from Grass-Fed Beef Spleen for Energy & Red Blood Cell Support | Ancestral Nutrition Primal Iron | 90 Capsules, Non-Constipating

8.7

Ancestral Nutrition

-16%

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Main highlights

SUPPORTS RED BLOOD CELL FORMATION: Iron is a critical component of hemoglobin, essential for transporting oxygen throughout the body and supporting the healthy formation of red blood cells for overall vitality and wellness.

SUPERIOR ABSORPTION, GENTLE ON THE STOMACH: Heme iron is the form of iron your body recognizes and absorbs most efficiently, without the digestive discomfort or constipation often associated with plant-based or synthetic iron supplements.

NATURE'S RICHEST HEME IRON: Combat tiredness and support your energy levels with Primal Iron, a pure beef spleen supplement providing 11.5mg of highly bioavailable, natural heme iron per serve—almost 100% of your RDI.

-16%
#9

Cenovis Iron Plus Tablets 80 - With Folic Acid, Vitamins C, B5, B6, & B12 - Supports Healthy Immune System Function, Energy Levels & Helps support Heamoglobin Formation

8.5

Cenovis

-50%

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Main highlights

SUPPORTS IMMUNE SYSTEM FUNCTION: Supports healthy immune system function

SUPPORTS ENERGY: Helps maintain energy levels

AIDS HAEMOGLOBIN SYNTHESIS: Cenovis Iron Plus supplement maintains iron levels in the body and helps support haemoglobin formation

-50%
#10

Cenovis Iron Plus Tablets 80 - With Folic Acid, Vitamins C, B5, B6, & B12 - Supports Healthy Immune System Function, Energy Levels & Helps support Heamoglobin Formation

8.3

Cenovis

-55%

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Main highlights

SUPPORTS IMMUNE SYSTEM FUNCTION: Supports healthy immune system function

SUPPORTS ENERGY: Helps maintain energy levels

AIDS HAEMOGLOBIN SYNTHESIS: Cenovis Iron Plus supplement maintains iron levels in the body and helps support haemoglobin formation

-55%

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10 Best iron supplement by thornes of 2026

Thorne Methyl-Guard Plus - Active folate (5-MTHF) with Vitamins B2, B6, and B12 - Healthy Level of homocysteine - Gluten-Free, Dairy-Free, Soy-Free - 90 Capsules

9.7

Main highlights

Thorne Research - High Potency Zinc Picolinate 30 mg -180 Capsules

9.4

Main highlights

Thorne Research - Ferrasorb - Iron With Essential Nutrients Vitamin Supplement - 60 Capsules

9.2

Main highlights

Thorne Research - Copper Bisglycinate - Vitamin Supplement - 60 Capsules

9.1

Main highlights

Swisse Ultiboost Iron - with Vitamin C to Support Dietary Iron Absorption - 30 Tablets

9.0

Main highlights

Swisse Ultiboost Iron - with Vitamin C to Support Dietary Iron Absorption - 30 Tablets

8.9

Main highlights

Natural Heme Iron Supplement Capsules from Grass-Fed Beef Spleen for Energy & Red Blood Cell Support | Ancestral Nutrition Primal Iron | 90 Capsules, Non-Constipating

8.8

Main highlights

Natural Heme Iron Supplement Capsules from Grass-Fed Beef Spleen for Energy & Red Blood Cell Support | Ancestral Nutrition Primal Iron | 90 Capsules, Non-Constipating

8.7

Main highlights

Cenovis Iron Plus Tablets 80 - With Folic Acid, Vitamins C, B5, B6, & B12 - Supports Healthy Immune System Function, Energy Levels & Helps support Heamoglobin Formation

8.5

Main highlights

Cenovis Iron Plus Tablets 80 - With Folic Acid, Vitamins C, B5, B6, & B12 - Supports Healthy Immune System Function, Energy Levels & Helps support Heamoglobin Formation

8.3

Main highlights

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