Iron Amino Acid Chelate
Iron Amino Acid Chelate is a tier 1 form of Iron, used in 168 on-market products .
168
on-market products
tier 1
quality tier
n/a
elemental fraction
Basis: Generic term; if equivalent to the branded Ferrochel ferrous bisglycinate chelate, supplier technical material states ~20% elemental iron for that specific standardized product (vs. ~27.4% theoretical for the pure compound)
Why this tier: If equivalent to ferrous bisglycinate chelate, showed substantially higher apparent bioavailability than ferrous sulfate.
Source: Pineda O, Ashmead HD. 2001, Nutrition 17(5):381-384, PMID 11377130