Who's tan is reay for summer. This peptide can help. Your body already makes a hormone that tells your skin to tan. Melanotan 2 is a synthetic peptide engineered to mimic that hormone but in a version that's more potent and Andrew Huberman discusses the risks and benefits of melanotan, a peptide that can dramatically increase energy and libido, but also carries serious health risks. >> See comments Melanotan is BACK! After recent regulatory changes, compounding pharmacies are once again able to produce Melanotan peptide! If you've been missing the benefits of this popular peptide, now's your chance