Best Iron products by transparent scoring (2026)
Single-ingredient products scored by public rules: dose fit, label transparency, data verification, company transparency, third-party testing. Not a measure of efficacy or safety. No paid placement.
Products ranked: 117 · Reference range: 18 – 45 mg (source) · Updated 2026-11-01
Reference range: from 100% of the US Daily Value to the upper reference value.
Single-ingredient products only.
Left out of this list: combination products (a single-ingredient list exists) (133)
Dose fit 40 · Label transparency 20 · Data verification 15 · Company transparency 15 · Third-party test 10 (No data (not scored); the other four parts are rescaled from 90 to 100) — Methodology · Iron →
| Rank | Product | Per day | Score | Breakdown | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Iron Glycinate XYMOGEN · US NIH DSLD |
29 mg | 100.0 | Breakdown
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| 2 tie |
Comfort Iron 25 mg The Vitamin Shoppe · US NIH DSLD |
25 mg | 97.8 | Breakdown
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| 2 tie |
Fergon Ferrous Gluconate Bayer · US NIH DSLD |
27 mg | 97.8 | Breakdown
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| 2 tie |
Iron 28 mg The Vitamin Shoppe · US NIH DSLD |
28 mg | 97.8 | Breakdown
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| 5 tie |
Amino-Iron Douglas Laboratories · US NIH DSLD |
18 mg | 94.4 | Breakdown
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| 5 tie |
High Absorption Iron With Ferrochel 27 mg Doctor's Best · US NIH DSLD |
27 mg | 94.4 | Breakdown
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| 5 tie |
Iron Genestra Brands · US NIH DSLD |
40 mg | 94.4 | Breakdown
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| 5 tie |
Iron Liquid Pure Encapsulations · US NIH DSLD |
30 mg | 94.4 | Breakdown
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| 9 tie |
Emerald Labs Gentle Iron Emerald Labs · Health Canada LNHPD |
25 mg | 93.3 | Breakdown
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| 9 tie |
Euro-Ferrous Gluconate Euro-Pharm International Canada Inc. · Health Canada LNHPD |
35 mg | 93.3 | Breakdown
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| 9 tie |
Ferrate Euro-Pharm International Canada Inc. · Health Canada LNHPD |
20 mg | 93.3 | Breakdown
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| 9 tie |
Ferrochel Iron Chelate Designs for Health · Health Canada LNHPD |
27 mg | 93.3 | Breakdown
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| 9 tie |
Ferrous Gluconate JAMP Pharma Corporation · Health Canada LNHPD |
35 mg | 93.3 | Breakdown
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| 9 tie |
Ferrous Gluconate 300 mg GFR Pharma Ltd. · Health Canada LNHPD |
35 mg | 93.3 | Breakdown
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| 9 tie |
Ferrous Gluconate 324 mg Vita Health Products Inc. · Health Canada LNHPD |
37.5 mg | 93.3 | Breakdown
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| 9 tie |
GNC Ironchel 18 GNC · Malaysia NPRA |
18 mg | 93.3 | Breakdown
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| 9 tie |
Jamp Ferrous Sulfate Liquid 150 mg/5 ml JAMP Pharma Corporation · Health Canada LNHPD |
30 mg | 93.3 | Breakdown
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| 9 tie |
MapleLife TM and/or NutraLab TM Nutrition & Formula Iron 45 mg Capsule Nutralab Canada Corp. · Health Canada LNHPD |
45 mg | 93.3 | Breakdown
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| 9 tie |
MapleLife¿ and/or NutraLab¿ Nutrition & Formula Iron 18 mg Nutralab Canada Corp. · Health Canada LNHPD |
18 mg | 93.3 | Breakdown
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| 9 tie |
MapleLife¿ and/or NutraLab¿ Nutrition & Formula Iron 18 mg Capsule Nutralab Canada Corp. · Health Canada LNHPD |
18 mg | 93.3 | Breakdown
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| 9 tie |
MapleLife¿ and/or NutraLab¿ Nutrition & Formula Iron 45 mg tablets Nutralab Canada Corp. · Health Canada LNHPD |
45 mg | 93.3 | Breakdown
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| 9 tie |
Pediafer Euro-Pharm International Canada Inc. · Health Canada LNHPD |
30 mg | 93.3 | Breakdown
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| 23 tie |
Chelated Iron Solgar · US NIH DSLD |
25 mg | 92.2 | Breakdown
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| 23 tie |
Chelated Iron Carlson · US NIH DSLD |
27 mg | 92.2 | Breakdown
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| 23 tie |
Easy Iron 25 mg Country Life · US NIH DSLD |
25 mg | 92.2 | Breakdown
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| 23 tie |
Iron Bisglycinate Thorne · US NIH DSLD |
25 mg | 92.2 | Breakdown
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| 27 | Liquid Iron Natural Raspberry Flavor Genestra Brands · US NIH DSLD |
45 mg | 91.1 | Breakdown
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| 28 | Thorne FX Iron (II) Bisglycinate Thorne Research · Health Canada LNHPD |
25 mg | 87.8 | Breakdown
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| 29 | Jamp Ferrous Sulfate Infant Drops 75 mg/ml JAMP Pharma Corporation · Health Canada LNHPD below reference range |
15 mg | 85.9 | Breakdown
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| 30 tie |
Chelated Iron NeoLife Nutritionals · US NIH DSLD |
25 mg | 83.3 | Breakdown
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| 30 tie |
Chelated Iron 4 Today · US NIH DSLD |
18 mg | 83.3 | Breakdown
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| 30 tie |
Easy Iron Woodstock Vitamins · US NIH DSLD |
29 mg | 83.3 | Breakdown
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| 30 tie |
Easy Iron 28 mg Nature's Truth · US NIH DSLD |
28 mg | 83.3 | Breakdown
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| 30 tie |
Ferritin+ Flora · US NIH DSLD |
20 mg | 83.3 | Breakdown
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| 30 tie |
Iron MN Morphogen Nutrition · US NIH DSLD |
27 mg | 83.3 | Breakdown
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| 30 tie |
Iron Natures Plus Source of Life Garden · US NIH DSLD |
18 mg | 83.3 | Breakdown
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| 30 tie |
Iron 18 mg LuckyVitamin · US NIH DSLD |
18 mg | 83.3 | Breakdown
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| 30 tie |
Iron Chelate ProThera · US NIH DSLD |
30 mg | 83.3 | Breakdown
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| 30 tie |
Iron Chelate Adaptogen Research · US NIH DSLD |
27 mg | 83.3 | Breakdown
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| 30 tie |
Iron Chelate 18 Milligrams NutraBio · US NIH DSLD |
18 mg | 83.3 | Breakdown
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| 30 tie |
Iron Chelate 27 27 Milligrams NutraBio · US NIH DSLD |
27 mg | 83.3 | Breakdown
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| 30 tie |
Iron Essentials HoltraCeuticals · US NIH DSLD |
29 mg | 83.3 | Breakdown
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| 30 tie |
Liposomal Iron NuMedica · US NIH DSLD |
18 mg | 83.3 | Breakdown
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| 30 tie |
No. 68 Iron And Sea Vegetation Wachters' · US NIH DSLD |
18 mg | 83.3 | Breakdown
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| 30 tie |
Reacted Iron Ortho Molecular Products · US NIH DSLD |
29 mg | 83.3 | Breakdown
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| 30 tie |
Slow Release Iron 45 mg Nature's Truth · US NIH DSLD |
45 mg | 83.3 | Breakdown
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| 47 tie |
Easy Iron High Bio-Availability 20 mg Natural Factors · US NIH DSLD |
20 mg | 81.1 | Breakdown
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| 47 tie |
Iron 18 mg NOW · US NIH DSLD |
18 mg | 81.1 | Breakdown
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| 47 tie |
Iron 36 mg NOW · US NIH DSLD |
36 mg | 81.1 | Breakdown
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| 47 tie |
Iron Chelate (As Ferrochel) 28 mg Patient One 1 MediNutritionals · US NIH DSLD |
28 mg | 81.1 | Breakdown
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100 products were scored; the top 50 are listed here. See the rest in the product list.
For information only; not medical advice. Talk to a doctor or pharmacist before starting or stopping any supplement.