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These higher research doses established safety margins while demonstrating therapeutic efficacy

In sensible cosmetic concentrations this is not a general concern, but it argues against casual escalation of dose or concentration in the belief that more is better

Functional changes of the liver in the absence of growth hormone (GH) action - Proteomic and metabolomic insights from a GH receptor deficient pig model

& Hill, N

This overview looks at the two peptides most often raised in the hair-growth conversation GHK-Cu (a copper tripeptide) and TB-500 (a synthetic peptide related to thymosin beta-4) and grades the evidence honestly