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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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THORNE Basic Nutrients 2/Day Multivitamin CapsulesBest Overall
Iron Supplements

THORNE Basic Nutrients 2/Day Multivitamin Capsules

A comprehensive daily multivitamin with a clean allergen profile, worth considering for anyone building a baseline supplement routine rather than treating one specific deficiency.

Supplement Type
Multivitamin
Form
Capsule
Diet
Gluten Free
Allergens
Dairy Free, Fish Free, Shellfish Free, Soy 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
THORNE Advanced Iron Complex CapsulesPopular Pick
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
Nature's Bounty Gentle Iron 28 mg Capsules
Iron Supplements

Nature's Bounty Gentle Iron 28 mg Capsules

A 28mg iron capsule built around gentler digestion, with vitamin C, folic acid and B-12 added, sized for about three months of daily use.

Supplement Type
Iron
Form
Capsule
Diet
Plant Based
Allergens
Abalone Free
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
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
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
Standard Process Ferrofood Iron Capsules
Iron Supplements

Standard Process Ferrofood Iron Capsules

A whole food style iron supplement blending iron with vitamin C, alfalfa and B12, sized as a 40 capsule bottle in the Standard Process line.

Supplement Type
Not specified
Form
Not specified
Diet
Not specified
Allergens
Not specified
Vitanica Iron Extra Bisglycinate Capsules
Iron Supplements

Vitanica Iron Extra Bisglycinate Capsules

A vegan iron bisglycinate capsule with vitamin C and B12 included, a reasonable option for adults wanting a gentler iron form in a 60-count bottle.

Supplement Type
Not specified
Form
Not specified
Diet
Not specified
Allergens
Not specified
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
Three Arrows Iron Repair Simply Natural Iron Capsules
Iron Supplements

Three Arrows Iron Repair Simply Natural Iron Capsules

An iron supplement built around gentler digestion and Monash Low FODMAP certification, in a bovine gelatin capsule rather than a vegetarian shell.

Supplement Type
Not specified
Form
Not specified
Diet
Not specified
Allergens
Not specified
Proferrin ES Heme Iron Polypeptide Tablets
Iron Supplements

Proferrin ES Heme Iron Polypeptide Tablets

A gut-friendly heme iron option for people who've had trouble with standard iron supplements or take medication that interferes with iron absorption.

Supplement Type
Iron
Form
Tablet
Diet
Gluten Free
Allergens
Gluten Free
Country Life Easy Iron 25 mg Vegan Capsules
Iron Supplements

Country Life Easy Iron 25 mg Vegan Capsules

A moderate-dose, vegan and gluten-free iron capsule aimed at people who want iron support without the harsher digestive effects of standard iron pills.

Supplement Type
Iron
Form
Capsule
Diet
Gluten Free, Vegan
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
Nature Made Iron 65 mg Ferrous Sulfate Tablets
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
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
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
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
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
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
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
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
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As an Amazon Associate I earn from qualifying purchases.

Best iron supplements

  1. THORNE Basic Nutrients 2/Day Multivitamin CapsulesModel Basic Nutrients 2/Day
  2. Floradix Iron & Herbs Liquid Supplement 8.5 fl oz
  3. THORNE Advanced Iron Complex Capsules
  4. Garden of Life Vitamin Code Raw Iron 22 mg Capsules
  5. Pure Encapsulations Iron-C 15 mg Capsules
  6. NovaFerrum Yummy Pediatric Liquid Iron Drops
  7. Vitanica Iron Extra Bisglycinate Capsules
  8. Feosol Complete Bifera Iron Caplets
  9. Three Arrows Iron Repair Simply Natural Iron Capsules
  10. Proferrin ES Heme Iron Polypeptide Tablets

Help me choose iron supplements: answer 3 questions

These 10 iron supplements are the most searched brands and models among the established products in this category (monthly searches for each brand and model); on a tie, the one with more owner ratings ranks first. Product data comes from public Amazon listings (updated 15 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 how many people search for that brand and model each month; review counts only break ties.

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 monthly searches for their brand and model on every page.Editorial policy