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Peptides that enhance performance violate fair play principles and anti-doping regulations set by organizations like the World Anti-Doping Agency (WADA)

the clinical relevance of this finding in humans is unknown, and in UK and EU prescribing information this is noted as a precaution rather than a formal contraindication but individuals with a personal or family history of medullary thyroid carcinoma or multiple endocrine neoplasia type 2 (MEN2) should discuss this with their doctor

However, some older studies provide conflicting findings [21, 22, 24,25,26]

Metabolism and epigenetics

During this time, in vitro, in vivo, and in silico studies on this tetrapeptide have been performed, supporting the geroprotective and neuroendocrine nature of this peptide as result of its antioxidant, neuro-protective, and antimutagenic effects [13]