does topical ghk-cu work “Is actually worth it?” is genuinely one of the most common questions in my comments, so let me finally answer it properly., The short version: copper peptides have real research behind them, Nourishes and hydrates skin with water GHK-Cu and Tretinoin/Niacinamide: Powerful Individual

~ AlphaMD Most men on testosterone replacement therapy obsess over total testosterone levels, but the real culprit behind many frustrating side effects might be a lesser-known hormone derivative called DHT

doi: 10.1146/annurev-pharmtox-011613-135957 141 GiassettiMICiccarelliMOatleyJM

Research peptides supplied for laboratory use should carry for research use only, not for human or veterinary consumption, a lot number, and storage instructions

MGD is both very common and yet underdiagnosed

Very low or high blood levels of homocysteine can indicate a B12, folate, and/or B6 deficiency (21)

Limit Alcohol Intake: Alcohol may interfere with Vitamin B absorption and nerve recovery