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Iron Supplements

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Top brands in iron supplements

Floradix4 listings
Vitamatic4 listings
THORNE3 listings
Carlyle2 listings
NaturesPlus2 listings
Feosol2 listings
Nature's Bounty2 listings
Slow Fe2 listings
NovaFerrum2 listings
MaryRuth's2 listings
Nature Made2 listings
Metagenics1 listing
Showing 1 - 24 of 58
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Nature Made Iron 65 mg Ferrous Sulfate TabletsPopular Pick
Iron Supplements

Nature Made Iron 65 mg Ferrous Sulfate Tablets

A 65mg ferrous sulfate iron tablet sized for a six-month daily supply, built for red blood cell support at a dose above routine dietary levels.

Supplement Type
Not specified
Form
Not specified
Diet
Not specified
Allergens
Not specified
Nature's Bounty Iron 65 mg Ferrous Sulfate Tablets
Iron Supplements

Nature's Bounty Iron 65 mg Ferrous Sulfate Tablets

Model: 41383

A plain 65 mg ferrous sulfate iron tablet with no added ingredients, gluten free and vegetarian.

Supplement Type
Iron
Form
Tablet
Diet
Gluten Free
Allergens
Allergen-Free
Slow Fe 45 mg Slow Release Iron Tablets 60 Count
Iron Supplements

Slow Fe 45 mg Slow Release Iron Tablets 60 Count

Model: 1960

A slow release, 45 mg iron tablet built to be gentler on digestion than standard iron supplements, sized for about two months of daily use.

Supplement Type
Iron
Form
Tablet
Diet
Vegetarian
Allergens
Not specified
Vitron-C Iron with Vitamin C Tablets
Iron Supplements

Vitron-C Iron with Vitamin C Tablets

Model: 012301

An iron and vitamin C tablet aimed squarely at the stomach-upset problem that plain iron supplements commonly cause.

Supplement Type
Helps Body Absorb Dietary Iron Easy On The Stomach, Less Constipation
Form
Tablet
Diet
Gluten Free
Allergens
Gluten Free
Floradix Iron & Herbs Liquid Supplement 8.5 fl oz
Iron Supplements

Floradix Iron & Herbs Liquid Supplement 8.5 fl oz

Choose this if a liquid, spoon-measured iron supplement with B vitamins included suits your routine better than swallowing capsules.

Supplement Type
Thiamin, Riboflavin, Vitamin B6, Vitamin B12
Form
Liquid
Diet
Vegetarian
Allergens
Lactose Free, Non-GMO
21st Century Slow Release Iron Tablets
Iron Supplements

21st Century Slow Release Iron Tablets

A gluten free, slow release iron tablet in a 60-count bottle, best suited to buyers who already know they want gradual release over a fast-acting dose.

Supplement Type
Magnesium
Form
Tablet
Diet
Gluten Free
Allergens
Gluten Free
Feosol Original Iron 65 mg Tablets
Iron Supplements

Feosol Original Iron 65 mg Tablets

A 65mg non-heme iron tablet dosed once daily, with a 120-count bottle running about four months, fitting a long-term daily iron routine rather than a short-term boost.

Supplement Type
Iron
Form
Tablet
Diet
Keto
Allergens
Milk
Garden of Life Vitamin Code Raw Iron 22 mg Capsules
Iron Supplements

Garden of Life Vitamin Code Raw Iron 22 mg Capsules

A once-daily vegan iron capsule with supporting vitamins and a whole-food blend, sized for people who want iron in a gentler-sounding format rather than a bare mineral tablet.

Supplement Type
Not specified
Form
Not specified
Diet
Not specified
Allergens
Not specified
THORNE Iron Bisglycinate 25 mg Capsules
Iron Supplements

THORNE Iron Bisglycinate 25 mg Capsules

A sport-certified iron bisglycinate at a moderate 25 mg dose, built for tested athletes and anyone who reacts poorly to standard iron supplements.

Supplement Type
Iron
Form
Capsule
Diet
Vegetarian
Allergens
Dairy Free, Gluten Free, Soy Free
NaturesPlus Hema-Plex Iron 85 mg Softgels
Iron Supplements

NaturesPlus Hema-Plex Iron 85 mg Softgels

A dosage-forward iron softgel for people who need meaningful iron plus absorption support in one capsule, not a general wellness top-up.

Supplement Type
Iron
Form
Softgel
Diet
Gluten Free, Vegan
Allergens
Gluten Free
NovaFerrum Yummy Pediatric Liquid Iron Drops
Iron Supplements

NovaFerrum Yummy Pediatric Liquid Iron Drops

A pediatric-specific liquid iron supplement built for consistent small dosing in young children, not intended for adult iron needs.

Supplement Type
Iron
Form
Liquid
Diet
Gluten Free
Allergens
Not specified
BariMelts Iron with Vitamin C Dissolving Tablets
Iron Supplements

BariMelts Iron with Vitamin C Dissolving Tablets

A sugar-free, fast-dissolving iron and vitamin C tablet in orange flavor, built for bariatric patients who need a one month supply that skips swallowing.

Supplement Type
Vitamin C (as Ascorbic Acid) 90 Mg, Iron (as Carbonyl Iron) 54 Mg
Form
Tablet
Diet
Gluten Free
Allergens
Gluten Free
Pure Encapsulations Iron-C 15 mg Capsules
Iron Supplements

Pure Encapsulations Iron-C 15 mg Capsules

A combined iron and vitamin C capsule pitched at general support rather than at correcting a diagnosed severe deficiency.

Supplement Type
Iron, Vitamin C
Form
Capsule
Diet
Vegetarian
Allergens
Not specified
Nature's Way Liquid Iron 18 mg Berry 16 fl oz
Iron Supplements

Nature's Way Liquid Iron 18 mg Berry 16 fl oz

A liquid iron option worth considering for people who want flexible dosing or find iron capsules and pills difficult to swallow.

Supplement Type
Iron
Form
Liquid
Diet
Gluten Free
Allergens
Gluten Free
MAJOR Ferosul Ferrous Sulfate 325 mg Tablets 3 Pack
Iron Supplements

MAJOR Ferosul Ferrous Sulfate 325 mg Tablets 3 Pack

A clinical strength ferrous sulfate tablet with a broad allergen free profile, suited to iron repletion under guidance rather than casual daily use.

Supplement Type
Iron
Form
Tablet
Diet
Gluten Free
Allergens
Corn-Free, Dairy Free, Gluten Free, Lactose Free, Nut Free
NOW Foods Iron 18 mg Veg Capsules
Iron Supplements

NOW Foods Iron 18 mg Veg Capsules

A single-ingredient, non-constipating iron capsule at a moderate 18mg dose, useful mainly as a straightforward mineral supplement rather than a combination formula.

Supplement Type
Iron
Form
Capsule
Diet
Halal, Kosher, Vegan
Allergens
Dairy Free, Egg Free, Non-GMO, Nut Free, Soy Free
Floradix Floravital Liquid Iron & Vitamin Formula 8.5 fl oz
Iron Supplements

Floradix Floravital Liquid Iron & Vitamin Formula 8.5 fl oz

Pairing a gentler iron form with vitamin C and a B complex in one liquid dose addresses both stomach tolerance and absorption, though no review history exists yet to confirm results.

Supplement Type
Thiamin, Riboflavin, Vitamin B6, Vitamin B12, Iron
Form
Liquid
Diet
Vegan
Allergens
Not specified
THORNE Advanced Iron Complex Capsules
Iron Supplements

THORNE Advanced Iron Complex Capsules

A chelated iron formula built with supporting B vitamins and folate for absorption, worth considering for anyone advised to supplement iron who wants a gentler capsule.

Supplement Type
Vitamin B9
Form
Capsule
Diet
Not specified
Allergens
Gluten Free
Feosol Complete Bifera Iron Caplets
Iron Supplements

Feosol Complete Bifera Iron Caplets

A once-daily dual-iron caplet built to reduce side effects, backed by a strong review average and steady recent demand.

Supplement Type
Iron
Form
Tablet
Diet
Plant Based
Allergens
Allergen-Free
NOW Foods Iron 36 mg Double Strength Veg Capsules
Iron Supplements

NOW Foods Iron 36 mg Double Strength Veg Capsules

A double-strength 36 mg iron capsule formulated to reduce constipation, suited to people with an identified need for higher iron intake.

Supplement Type
Iron
Form
Capsule
Diet
Halal, Kosher, Vegan
Allergens
Dairy Free, Egg Free, Nut Free, Soy Free
Designs for Health Ferrochel Chelated Iron Vegan Capsules
Iron Supplements

Designs for Health Ferrochel Chelated Iron Vegan Capsules

Model: DF0046

A chelated ferrous bisglycinate iron capsule in a vegan, gluten free formula, a reasonable pick for those who want an iron form associated with gentler digestion.

Supplement Type
Iron Ferrous Bisglycinate Chelate
Form
Capsule
Diet
Gluten Free, Vegan, Vegetarian
Allergens
Not specified
MaryRuth's Liquid Iron for Toddlers 2 fl oz
Iron Supplements

MaryRuth's Liquid Iron for Toddlers 2 fl oz

A chelated, sugar-free liquid iron dosed for toddlers, worth discussing with a pediatrician given how easy it is to overdose a small child on iron.

Supplement Type
Iron
Form
Liquid
Diet
Vegan
Allergens
Gluten Free
NaturesPlus Hema-Plex Iron 85 mg Slow-Release Tablets
Iron Supplements

NaturesPlus Hema-Plex Iron 85 mg Slow-Release Tablets

A gentler, slow-release high-dose iron tablet with vitamin C included, worth considering for anyone advised to supplement iron specifically.

Supplement Type
Not specified
Form
Not specified
Diet
Not specified
Allergens
Not specified
Doctor's Recipes Iron 65 mg with Vitamin C Tablets
Iron Supplements

Doctor's Recipes Iron 65 mg with Vitamin C Tablets

A vegan, vitamin C-paired iron tablet built for targeted supplementation rather than general maintenance.

Supplement Type
Not specified
Form
Not specified
Diet
Not specified
Allergens
Not specified
Full category statistics →

As an Amazon Associate I earn from qualifying purchases.

Best iron supplements

  1. Nature Made Iron 65 mg Ferrous Sulfate TabletsModel Iron 65 mg
  2. Nature's Bounty Iron 65 mg Ferrous Sulfate TabletsModel 41383
  3. Slow Fe 45 mg Slow Release Iron Tablets 60 CountModel 1960
  4. Vitron-C Iron with Vitamin C TabletsModel 012301
  5. Floradix Iron & Herbs Liquid Supplement 8.5 fl oz
  6. 21st Century Slow Release Iron Tablets
  7. Feosol Original Iron 65 mg Tablets
  8. Garden of Life Vitamin Code Raw Iron 22 mg Capsules
  9. THORNE Iron Bisglycinate 25 mg Capsules
  10. NaturesPlus Hema-Plex Iron 85 mg Softgels

These 10 iron supplements have the highest ProductDome scores among the established products in this category, meaning ones with a large volume of owner ratings and strong evidence; on a tie, the product with more rating evidence ranks first. The score combines owner satisfaction, rating volume, demand and data quality from public Amazon listings (updated 3 days ago). We do not test products ourselves.

Frequently asked questions

What are the most popular iron supplements brands?

Floradix, Vitamatic, THORNE, Carlyle, NaturesPlus lead this category among the 42 brands that passed our curation checks.

How does ProductDome pick these iron supplements?

A listing appears only when it has a recorded price, a minimum customer rating, and enough ratings or monthly sales. Generic and unbranded listings are left out, while every real brand stays, including brands sold only on Amazon. The ones that pass are ordered by the ProductDome score, which weighs owner satisfaction, rating volume, demand and data quality.

About iron supplements

Iron supplements come in Tablet, Capsule and Liquid forms, but the consequential difference is how much elemental iron a serving supplies, which the form label cannot tell you. Start with whether you need supplemental iron and the amount a healthcare professional has recommended, rather than choosing by format or the largest strength on the label. Fatigue alone is not a sound basis for selecting an iron supplement.

For strength, look for the stated amount of elemental iron, which is different from the weight of the iron compound used as an ingredient. Read it alongside the serving size: a listed serving may require several tablets or capsules, or a measured volume of liquid. Compare that complete serving with your recommended amount and schedule. Do not assume a larger amount is a better fit, or that similarly named iron compounds provide equivalent amounts. Include iron from any multivitamin or other supplement you already take when discussing your total intake with a healthcare professional.

Next, assess the ingredient formula, stomach tolerance and how the supplement fits around meals and medicines. An iron supplement with added vitamins may duplicate ingredients in your existing routine; select a combination when those additions meet an identified need. Iron can cause constipation or stomach discomfort, so previous trouble with a preparation is a reason to discuss an alternative with a pharmacist. Follow the product’s directions about food, and ask a pharmacist about spacing it from other supplements or medicines, since some combinations affect absorption or how a medicine works.

Before buying, confirm that the product’s directions cover the intended user’s age and circumstances, including pregnancy where relevant. The Gluten Free and Vegan diet filters are starting points for inspecting the full ingredient list, capsule shell and allergen information. For liquid iron, verify whether a suitable measuring device is supplied or sold separately, and read the storage and use-after-opening instructions. For tablets, confirm whether splitting or crushing is permitted if you expect to do either. Keep every format securely out of children’s reach, because accidental iron overdose can be dangerous.

How we list products: every listing here has a recorded price, a minimum customer rating and enough ratings or monthly sales. Generic and unbranded listings are left out; every real brand stays, including brands sold only on Amazon. Products are ordered by the same ProductDome score on every page.Editorial policy