Risks of Melanotan: TGA to issue fresh warning against 'Barbie drug' The Australian 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 What It Is and Its Relation to Skin Cancer Stop Taking Melanotan II Dermatologist Breaks It Down Melanotan II A Sun Kissed Look, and a Confident You. Afamelanotide Wikipedia