Copper Gluconate
Copper Gluconate is a tier 2 form of Copper, used in 1,408 on-market products and providing 14.0% elemental copper by weight.
1,408
on-market products
tier 2
quality tier
14.0%
elemental fraction
Basis: Cu(C6H11O7)2, anhydrous, MW 453.87
Why this tier: Water-soluble, generally regarded as acceptably absorbed, but no dedicated head-to-head human bioavailability RCT was located.
Source: uncertain -- needs review