Official prescribing information Centers for Disease Control and Prevention
First, do not buy peptides off Instagram, Telegram, or any vendor that ships in unmarked vials
Or you can smoke cannabis for 10 years, then quit and then you'll get a lot of REM because you got no REM for 10 years
Dathe M, Wieprecht T, Nikolenko H, Handel L, Maloy WL, MacDonald DL, Beyermann M, Bienert M: Hydrophobicity, hydrophobic moment and angle subtended by charged residues modulate antibacterial and haemolytic activity of amphipathic helical peptides
For context on how age-related changes affect peptide function, the discussion of longevity peptides provides useful background