Best Copper 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: 49 · Reference range: 0.9 – 10 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) (26)
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 · Copper →
| Rank | Product | Per day | Score | Breakdown | ||||||||||||||||
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| 1 tie |
Copper 2 mg Solaray · US NIH DSLD |
2 mg | 100.0 | Breakdown
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| 1 tie |
Copper Citrate 2 mg Solaray · US NIH DSLD |
2 mg | 100.0 | Breakdown
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| 3 tie |
Chelated Copper Vitamin World · US NIH DSLD |
2 mg | 97.8 | Breakdown
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| 3 tie |
Copper 2 GNC · US NIH DSLD |
2 mg | 97.8 | Breakdown
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| 3 tie |
Copper 2 mg Swanson · US NIH DSLD |
2 mg | 97.8 | Breakdown
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| 3 tie |
Copper 2 mg The Vitamin Shoppe · US NIH DSLD |
2 mg | 97.8 | Breakdown
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| 3 tie |
Copper 2 mg GNC · US NIH DSLD |
2 mg | 97.8 | Breakdown
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| 8 tie |
Copper Douglas Laboratories · US NIH DSLD |
2 mg | 94.4 | Breakdown
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| 8 tie |
Copper (Citrate) Pure Encapsulations · US NIH DSLD |
4 mg | 94.4 | Breakdown
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| 8 tie |
Copper (Glycinate) Pure Encapsulations · US NIH DSLD |
4 mg | 94.4 | Breakdown
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| 8 tie |
Copper 2 mg Douglas Laboratories · US NIH DSLD |
2 mg | 94.4 | Breakdown
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| 8 tie |
Copper Sebacate Allergy Research Group · US NIH DSLD |
4 mg | 94.4 | Breakdown
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| 13 tie |
Chelated Copper Bluebonnet · US NIH DSLD |
3 mg | 92.2 | Breakdown
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| 13 tie |
Chelated Copper Solgar · US NIH DSLD |
2.5 mg | 92.2 | Breakdown
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| 13 tie |
Chelated Copper Carlson · US NIH DSLD |
5 mg | 92.2 | Breakdown
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| 13 tie |
Copper Bisglycinate Thorne · US NIH DSLD |
6 mg | 92.2 | Breakdown
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| 13 tie |
Copper Picolinate Thorne Research · US NIH DSLD |
6 mg | 92.2 | Breakdown
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| 18 tie |
CU Copper 3 mg NutraBio · US NIH DSLD |
3 mg | 83.3 | Breakdown
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| 18 tie |
Copper Mineralife · US NIH DSLD |
2 mg | 83.3 | Breakdown
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| 18 tie |
Copper 2 mg Seeking Health · US NIH DSLD |
2 mg | 83.3 | Breakdown
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| 18 tie |
Copper 2 mg NuMedica · US NIH DSLD |
2 mg | 83.3 | Breakdown
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| 18 tie |
Copper 3 mg NutraBio · US NIH DSLD |
3 mg | 83.3 | Breakdown
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| 18 tie |
Copper Gluconate BulkSupplements.com · US NIH DSLD |
2 mg | 83.3 | Breakdown
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| 18 tie |
Copper Gluconate Anyhdrous 1% PureBulk.com · US NIH DSLD |
1.6 mg | 83.3 | Breakdown
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| 18 tie |
Copper Glycinate 3 mg NOW · US NIH DSLD |
3 mg | 83.3 | Breakdown
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| 18 tie |
Copper L-Aspartate 1% PureBulk.com · US NIH DSLD |
1.6 mg | 83.3 | Breakdown
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| 18 tie |
Copper Liver Chelate SP Standard Process · US NIH DSLD |
2 mg | 83.3 | Breakdown
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| 18 tie |
Copper Sebacate NutriCology · US NIH DSLD |
4 mg | 83.3 | Breakdown
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| 18 tie |
Ionic Copper 2,000 PPM Good State · US NIH DSLD |
2 mg | 83.3 | Breakdown
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| 18 tie |
Ionic Copper 4,000 PPM Good State · US NIH DSLD |
2 mg | 83.3 | Breakdown
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| 18 tie |
Oligo Copper MBi Nutraceuticals · US NIH DSLD |
1 mg | 83.3 | Breakdown
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| 18 tie |
Pro-Copper S.O.D. Mimetic Ligand Ecological Formulas · US NIH DSLD |
4 mg | 83.3 | Breakdown
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| 33 tie |
Albion Chelated Copper 2 mg Swanson Ultra · US NIH DSLD |
2 mg | 81.1 | Breakdown
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| 33 tie |
Copper 3 mg Natures Plus · US NIH DSLD |
3 mg | 81.1 | Breakdown
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| 33 tie |
Copper Sebacate Source Naturals · US NIH DSLD |
3 mg | 81.1 | Breakdown
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| 33 tie |
Cu-1.5 Bio-Tech Pharmacal · US NIH DSLD |
1.5 mg | 81.1 | Breakdown
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| 37 tie |
Dr. Tahir's copper 8 mg (Gluconate) capsules Toronto College of Naturopathic Medicine Inc. · Health Canada LNHPD |
8 mg | 76.7 | Breakdown
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| 37 tie |
Pure-le Natural Copper 5mg liquid, Easy Vitamins & Minerals Copper 5mg liquid Health4All Products Ltd. · Health Canada LNHPD |
5 mg | 76.7 | Breakdown
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| 37 tie |
Pure-le Natural Copper 5mg powder, Easy Vitamins & Minerals Copper 5mg powder Health4All Products Ltd. · Health Canada LNHPD |
5 mg | 76.7 | Breakdown
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| 37 tie |
Pure-le Natural, Easy Vitamins & Minerals Copper 5mg capsule Health4All Products Ltd. · Health Canada LNHPD |
5 mg | 76.7 | Breakdown
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| 37 tie |
Trophic - Copper | 2 mg | 76.7 | Breakdown
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| 37 tie |
West Coast Naturals Copper 5000µg Tablets WCN BIO TECH Inc. · Health Canada LNHPD |
5 mg | 76.7 | Breakdown
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| 43 | Colloidal Copper 30 PPM Advanced Formula California Academy of Health · US NIH DSLD below reference range |
0.75 mg | 72.6 | Breakdown
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| 44 | Buried Treasure Prenatal Iron Drops – 20 mg Iron Bisglycinate + Copper, 2 fl oz Buried Treasure · Brand website |
2 mg | 68.9 | Breakdown
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| 45 tie |
Gammadyn¿ Cu | 0.73 mg | 68.0 | Breakdown
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| 45 tie |
Oligosol® Cuivre Labcatal S.A. · Health Canada LNHPD below reference range |
0.73 mg | 68.0 | Breakdown
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| 47 | Quench Essentials Copper 75 1195011 Ontario Inc. - Operating as Quench Essentials · Health Canada LNHPD below reference range |
0.38 mg | 50.7 | Breakdown
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| 48 | Copper Bisglycinate 8 mg Dr. Mercola · US NIH DSLD above upper reference |
16 mg | 38.9 | Breakdown
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| 49 | Oligo-Cuivre Laboratoire Schmidt-Nagel Inc. · Health Canada LNHPD below reference range |
0.073 mg | 35.8 | Breakdown
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For information only; not medical advice. Talk to a doctor or pharmacist before starting or stopping any supplement.