Chromium
Chromium, a mineral. Proposed role as a component of 'glucose tolerance factor' (low-MW chromodulin oligopeptide) potentiating insulin-receptor autophosphorylation.…
Proposed role as a component of 'glucose tolerance factor' (low-MW chromodulin oligopeptide) potentiating insulin-receptor autophosphorylation. Essentiality is disputed — some reviews argue Cr is a pharmacological agent at supplement doses rather than a required micronutrient.
Sources: PMID:3976556