Tavakoli offers ghk-cu peptide therapy in Washington D.C
51 The findings indicate that polymorphisms in IRF4 and SLC24A4 were strongly associated with pigmentation traits, while variants in ASIP, TYR, TYRP1, MC1R, OCA2 , and SLC45A2 showed additional significant associations
Significant increases warrant urological evaluation, though modest rises often occur with testosterone elevation
10.1371/journal.pone.0105999 PLoS One
Lee's third study tested intravenous BPC-157 infusion in 2 healthy adults at doses up to 20 mg
Other antioxidants like vitamin C, or skin-lightening agents like tranexamic acid, vitamin A (retinoids), azelaic acid, etc., have evidence for improving skin tone and might be safer choices depending on your profile