iron supplements comparison 2026

60 products analyzed by our AI • Prices updated on 09/27/2026

Ranking established by our AI from spec sheets, retailer prices and verified reviews (methodology). Comparr may earn a commission through merchant links, with no impact on the ranking.

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AI-optimized search: "iron supplement"

The best iron supplements in 2026 are GNC Gentlesorb Iron (best overall, ~$17.99), Nature Made Iron 65 mg (best value, ~$5.88), and Rugby Ferrous Sulfate Tablets (best budget, ~$3.24). When choosing an iron supplement, consider the type of iron, elemental dosage, and form (tablet, liquid, gummy). Sulfate forms are common and effective for general needs, while bisglycinate forms are often preferred for their gentler impact on digestion. Liquids and gummies can be easier to take for some users.

Our picks

  1. Top Pick GNC Gentlesorb Iron
    $17.99 Gnc
    View deal
  2. Best Value Nature Made Iron 65 mg
    $5.88 Walmart
    View deal
  3. Best Budget Rugby Ferrous Sulfate Tablets
    $3.24 Wellnessbetter.Com
    View deal
Verdict Mis à jour le 27/09/2026

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54 products priced from $3.24 to $29.49, median price $11.99.

Median price $11.99 6 / 54

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iron supplements

Top Pick

#1 95/100

GNC Gentlesorb Iron

 

GNC Gentlesorb Iron, at $17.99, stands out with its high 4.9 rating and gentle bisglycinate form, providing 27 mg of elemental iron.

  • Ferrous Bisglycinate Type
  • Slow Release Formula
  • Includes Vitamin C
  • Liquid or Gummy Form
  • High Elemental Dose (65mg+)
  • Vegan Friendly
#2 94/100

MaryRuth's Vegan Liquid Iron

 

MaryRuth's Vegan Liquid Iron, though pricier at $29.49, offers a high-quality, vegan liquid bisglycinate form with 10 mg per serving, ideal for absorption and dietary needs.

  • Ferrous Bisglycinate Type
  • Slow Release Formula
  • Includes Vitamin C
  • Liquid or Gummy Form
  • High Elemental Dose (65mg+)
  • Vegan Friendly
$29.49 Target
#3 93/100

Solaray Iron 50 mg

 

Solaray Iron 50 mg, priced at $10.39, delivers a potent 50 mg of ferrous bisglycinate in capsule form, known for superior absorption and fewer side effects.

  • Ferrous Bisglycinate Type
  • Slow Release Formula
  • Includes Vitamin C
  • Liquid or Gummy Form
  • High Elemental Dose (65mg+)
  • Vegan Friendly
$10.39 Solaray

Best Value for Money

#1 92/100

Nature Made Iron 65 mg

 

Nature Made Iron 65 mg is a highly-rated and cost-effective option at $5.88 for 100 tablets, providing reliable ferrous sulfate.

  • Ferrous Bisglycinate Type
  • Slow Release Formula
  • Includes Vitamin C
  • Liquid or Gummy Form
  • High Elemental Dose (65mg+)
  • Vegan Friendly
$5.88 Walmart
#2 90/100

Gentle Iron Solgar

 

Gentle Iron Solgar at $9.65 provides 18 mg of well-absorbed iron bisglycinate, a quality choice for gentle digestion.

  • Ferrous Bisglycinate Type
  • Slow Release Formula
  • Includes Vitamin C
  • Liquid or Gummy Form
  • High Elemental Dose (65mg+)
  • Vegan Friendly
$9.65 Vitacost.Com
#3 89/100

Iron Bisglycinate Thorne

 

Iron Bisglycinate Thorne, priced at $16.00, offers 25 mg of a highly bioavailable iron form from a reputable brand with a strong rating.

  • Ferrous Bisglycinate Type
  • Slow Release Formula
  • Includes Vitamin C
  • Liquid or Gummy Form
  • High Elemental Dose (65mg+)
  • Vegan Friendly
$16.00 Thorne

Best on a Budget

#1 88/100

Rugby Ferrous Sulfate Tablets

 

At $3.24, Rugby Ferrous Sulfate Tablets offer an excellent low-cost option for a standard 65 mg elemental iron dosage.

  • Ferrous Bisglycinate Type
  • Slow Release Formula
  • Includes Vitamin C
  • Liquid or Gummy Form
  • High Elemental Dose (65mg+)
  • Vegan Friendly
$3.24 Wellnessbetter.Com
#2 87/100

Spring Valley Iron Tablets

 

Spring Valley Iron Tablets are a budget-friendly choice at $3.74, providing 65 mg of ferrous sulfate iron in tablet form.

  • Ferrous Bisglycinate Type
  • Slow Release Formula
  • Includes Vitamin C
  • Liquid or Gummy Form
  • High Elemental Dose (65mg+)
  • Vegan Friendly
$3.74 Walmart
#3 85/100

Nature's Bounty Gentle Iron

 

Nature's Bounty Gentle Iron is a good value at $4.99, offering a gentler fumarate form with 18 mg elemental iron, ideal for sensitive stomachs.

  • Ferrous Bisglycinate Type
  • Slow Release Formula
  • Includes Vitamin C
  • Liquid or Gummy Form
  • High Elemental Dose (65mg+)
  • Vegan Friendly
$4.99 Target

Top sélection IA

Les meilleurs parmi les résultats trouvés

#1
Score 10.0

Nature Made Iron 65 mg

Nature Made Iron offers a standard and effective ferrous sulfate formulation with a clear 65 mg elemental iron dosage, making it a reliable and affordable choice for general iron supplementation.

$5.88 Walmart
#2
Score 9.0

Gentle Iron Solgar

Solgar Gentle Iron is an excellent option for those seeking a gentler form of iron (bisglycinate) at a reasonable price, ideal for users who experience digestive discomfort with traditional iron supplements.

$9.65 Vitacost.Com
#3
Score 8.0

Solaray Iron 50 mg

Solaray Iron provides a higher dosage of bisglycinate iron (50 mg) in a capsule form, offering good value and a well-tolerated option for individuals needing a more significant iron boost.

$10.39 Solaray

Caractéristiques techniques détaillées

Données issues des fiches techniques des marchands. « Non communiqué » signale une information non disponible — nous ne l'estimons pas.

Critère
Nature Made Iron 65 mg Nature Made Iron 65 mg
Feosol Ferrous Sulfate Iron Original Feosol Ferrous Sulfate Iron Original
Slow Fe Iron Supplement Slow Release Tablets Slow Fe Iron Supplement Slow Release ...
Nature's Bounty Gentle Iron Nature's Bounty Gentle Iron
Nature's Blend Ferrous Sulfate Elemental Iron Nature's Blend Ferrous Sulfate Elemen...
FERROUS SULFATE 325 MG TAB FERROUS SULFATE 325 MG TAB
Prix $5.88 $12.99 $8.97 $4.99 $7.96 $5.40
Dosage élémentaire 65 mg Non spécifié (contient 65 mg de fer élémentaire par compr... Non spécifié (équivaut à 45 mg de fer élémentaire par com... Non spécifié (contient 18 mg de fer élémentaire par compr... Non spécifié (contient 65 mg de fer élémentaire par compr... 325 mg
Forme Comprimés Comprimés Comprimés à libération prolongée Comprimés Comprimés Comprimés
Type de fer Sulfate de Fer Sulfate de Fer Sulfate de Fer Fumarate de Fer Sulfate de Fer Sulfate de Fer
Code national de l'article (ndc) 00078-0350-10 50474-0701-2 63735-0310-1 00074-3020-1 68104-0167-1 Non communiqué
Quantité par flacon Environ 100 comprimés Environ 30 comprimés Environ 30 comprimés Environ 100 comprimés Environ 100 comprimés Non communiqué

Spec comparison

Nature Made Iron 65 mg #1
Nature's Bounty Gentle Iron #2
Prix $5.88 $4.99
Ferrous Bisglycinate Type
Slow Release Formula
Includes Vitamin C
Liquid or Gummy Form
High Elemental Dose (65mg+)
Vegan Friendly

Touchez une colonne pour la surligner.

Comparaison des prix

Walmart checked Sep 27
$5.88 Voir
Cvs Pharmacy checked Sep 27
$12.99 Voir
Target checked Sep 27
$4.99 Voir
Amazon.fr checked Sep 27
$5.40 Voir
Walgreens.Com checked Sep 27
$12.99 Voir
Walmart Vitamatic checked Sep 27
$14.99 Voir
Thorne checked Sep 27
$16.00 Voir
Walgreens.Com checked Sep 27
$19.99 Voir
Show prices for 45 more products
Walmart checked Sep 27
$3.74 Voir
Dollar General checked Sep 27
$7.00 Voir
Cvs Pharmacy checked Sep 27
$7.99 Voir
Wellnessbetter.Com checked Sep 27
$3.24 Voir
Target checked Sep 27
$29.49 Voir
Target checked Sep 27
$7.45 Voir
Gnc checked Sep 27
$17.99 Voir
Iherb checked Sep 27
$9.62 Voir
Megafood.Com checked Sep 27
$15.99 Voir
Target checked Sep 27
$14.99 Voir
Vitacost.Com checked Sep 27
$9.65 Voir
Cvs Pharmacy checked Sep 27
$14.59 Voir
Grassy Sprain Pharmacy checked Sep 27
$8.79 Voir
Novaferrum checked Sep 27
$26.86 Voir
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$5.49 Voir
Floradix Usa checked Sep 27
$27.99 Voir
Cvs Pharmacy checked Sep 27
$19.99 Voir
Iherb checked Sep 27
$9.13 Voir
Target checked Sep 27
$24.99 Voir
Target checked Sep 27
$14.00 Voir
Vitacost.Com checked Sep 27
$9.99 Voir
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$22.00 Voir
Walmart Pharma Frills checked Sep 27
$24.38 Voir
Cvs Pharmacy checked Sep 27
$20.69 Voir
Thorne checked Sep 27
$26.00 Voir
Pureformulas.Com checked Sep 27
$7.75 Voir
Brookshires.Com checked Sep 27
$10.99 Voir
Flora Health | United States checked Sep 27
$29.49 Voir
Walmart Pharma Frills checked Sep 27
$15.36 Voir
Macy's checked Sep 27
$24.99 Voir
Vitalitymedical.Com checked Sep 27
$8.28 Voir
Iherb checked Sep 27
$9.17 Voir
Piping Rock Health Products checked Sep 27
$23.99 Voir
Solaray checked Sep 27
$10.39 Voir
Amazon.fr checked Sep 27
$6.30 Voir
Country Life Vitamins checked Sep 27
$16.49 Voir

Guide d'achat — Iron supplements

When choosing an iron supplement, key factors include the type of iron (ferrous sulfate for cost-effectiveness, bisglycinate for gentleness), the elemental iron dosage, and the form (tablet, liquid, gummy). Budget options often feature ferrous sulfate. Value picks balance efficacy and price, frequently offering popular formulations. Premium supplements may provide specialized forms for enhanced absorption or specific dietary needs. Always consult a healthcare professional for personalized dosage recommendations.

Frequently asked questions — Iron supplements

What is the best type of iron for absorption and minimal side effects?

Iron bisglycinate is generally considered to be highly absorbable and less likely to cause digestive upset compared to ferrous sulfate. Products like GNC Gentlesorb Iron ($17.99) and Iron Bisglycinate Thorne ($16.00) use this gentler form, making them good choices for sensitive individuals.

Are there good budget-friendly iron supplements available?

Yes, several effective and affordable options exist. Rugby Ferrous Sulfate Tablets ($3.24) and Spring Valley Iron Tablets ($3.74) are excellent budget choices, offering standard ferrous sulfate dosages at very low prices for general iron needs.

Which iron supplements come in a liquid or gummy form?

For those who prefer alternatives to pills, products like OLLY Delightful Iron Chewable Tablets ($12.99), MaryRuth's Vegan Liquid Iron ($29.49), and NovaFerrum 125 Liquid Iron Supplement ($26.86) offer iron in gummy or liquid formats, often with pleasant flavors and easier ingestion.

Why do some iron supplements include Vitamin C?

Vitamin C can significantly enhance the absorption of non-heme iron (the type found in supplements and plant-based foods). Vitamatic Ferrous Sulphate + Vitamin C ($14.99) and Nature Made Iron Gummies with Vitamin C ($14.99) are examples of products that include Vitamin C to boost iron uptake.

What is a 'slow-release' iron supplement and who is it for?

Slow-release iron supplements are designed to gradually release iron into the digestive system, which can help reduce gastrointestinal side effects often associated with immediate-release iron. Slow Fe Iron Supplement Slow Release Tablets ($8.97) and Walgreens Slow Release Iron Ferrous Sulfate 45 mg Tablets ($14.99) are good options for individuals experiencing sensitivity to regular iron supplements.

What is the difference between elemental iron dosage and total iron compound dosage?

Elemental iron is the actual amount of iron that your body can absorb and utilize, which is the most important number to consider. The total iron compound dosage (e.g., 325 mg ferrous sulfate) refers to the weight of the entire iron compound, not just the iron itself. For instance, Nature Made Iron 65 mg specifies its elemental dosage clearly, while Feosol Ferrous Sulfate Iron Original mentions it 'contains 65 mg of elemental iron per tablet' despite the product name not stating it directly.

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