A faint blue-green tint at the injection site is sometimes reported and is associated with the copper in GHK-Cu (cosmetic only)
Take a few deep breaths - it will get easier the more times you do it
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This is the total amount of lyophilized peptide in the vial, printed on the label commonly 5mg, 10mg, or 15mg for retatrutide research vials
Curr Pharm Des 20:11261135 Sikiri P, Petek M, Ruman R, Seiwerth S, Grabarevi Z, Rotkvi I, Turkovi B, Jagi V, Mildner B, Duvnjak M, Lang N, Danilovi Z, Cviko A, Kolega M, Sallmani A, Djai S, Bura M, Brki T, Bani M, Dodig M, Cori V, imievi V, Veljaca M, Erceg D, Jeek D, Simuni-Banek L, Skroza N, Buli K, Buljat G, Hanevaki M, Orihova V, Luinger D, Culig J, Separovi J, Marovi A, Mie S, Suchanek E, Matoz W, Perovi D, Gjurain M, Mikulandra S, Dernikovi K, Cuk V, Karakas I (1993) A new gastric juice peptide, BPC