Cupric Oxide
Cupric Oxide is a tier 3 form of Copper, used in 478 on-market products and providing 79.9% elemental copper by weight.
478
on-market products
tier 3
quality tier
79.9%
elemental fraction
Basis: CuO, MW 79.55 (stoichiometric only -- actual bioavailable copper delivered is very low)
Why this tier: Provides essentially no bioavailable copper relative to CuSO4 per chick/rat data.
Source: Baker DH. 1999, J Nutr 129:2278-9, PMID 10573563
Trend
Brands using this form
| Brand | Products |
|---|---|
| GNC Women's Ultra Mega | 31 |
| GNC Mega Men | 29 |
| Vitamin World | 28 |
| DC | 19 |
| Puritan's Pride | 14 |
| Wonder Laboratories | 14 |
| Mission Pharmacal CitraNatal | 13 |
| 21st Century | 11 |
| Bausch & Lomb | 10 |
| GNC Women's | 10 |
| CVS Pharmacy | 9 |
| Covalent Medical | 8 |
| Wonder Labs | 8 |
| Nature's Bounty | 7 |
| Trigen Laboratories | 7 |
| VisiVite | 7 |
| GNC Total Lean | 6 |
| Nature Made | 6 |
| Rise-N-Shine | 6 |
| Rugby | 6 |
| Virtus Pharmaceuticals | 6 |
| Major | 5 |
| Patrin Pharma | 5 |
| Alcon | 4 |
| Avion Pharmaceuticals | 4 |