Other ingredient
Copper oxide in supplements
Copper oxide appears as an other ingredient (a filler, capsule, coating or flavor, outside the Supplement Facts box) on 85 products in the NIH Dietary Supplement Label Database, and in the Supplement Facts rows of 2 more (version 9.4.0, January 2026).
Every product listing copper oxide
2 products, A to Z by name (page 1 of 1), each with the amount its label prints; an amount far outside what other labels print is marked as a possible slip.
- Glucosamine And Chondroitin 1500 mgSunshine Naturals · off the market15 mg
- Thyroid ThrustNatural Guardian · off the market0.2 mg