Zinc Amino Acid Chelate
Zinc Amino Acid Chelate is a tier 2 form of Zinc, used in 699 on-market products .
699
on-market products
tier 2
quality tier
n/a
elemental fraction
Basis: Generic/undisclosed term, ligand and ratio not standardized
Why this tier: No specific human isotope-absorption study for the generic category (distinct from bisglycinate specifically).
Source: none located (no human study found for the generic category; "amino acid chelate" is not a defined compound)