Outcomes: melanin index & UV spots improved in the glutathione groups vs placebo
It is unestablished : the small, non-independent human record reports few adverse events, and that record is too narrow to support any general safety claim
TP Research Labs supplies premium-quality Melanotan 2 (MT2) manufactured with an emphasis on high purity, stability, and batch-to-batch consistency
J Altern Complement Med 17:827833 Farr SA, Poon HF, Dogrukol-Ak D, Drake J, Banks WA, Eyerman E, Butterfield DA, Morley JE (2003) The antioxidants alpha-lipoic acid and N-acetylcysteine reverse memory impairment and brain oxidative stress in aged SAMP8 mice
The effects of resveratrol in rats with simultaneous type 2 diabetes and renal hypertension: a study of antihypertensive mechanisms