Selenium Amino Acid Chelate
Selenium Amino Acid Chelate is a unrated form of Selenium, used in 815 on-market products .
815
on-market products
unrated
quality tier
n/a
elemental fraction
Basis: Ambiguous term -- likely denotes organic/yeast-bound selenium (predominantly selenomethionine in protein), not a single stoichiometric compound
Why this tier: Terminology inconsistent across manufacturers; composition cannot be determined from the name alone.
Source: none (definitional caveat; no source defines the composition of "selenium amino acid chelate")