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 Melanotan II Erectile Dysfunction: What the Evidence Shows and Practical Considerations Emerging Threat: Melanotan, Repackaging, and Online Sales Melanotan II Safety: Tanning Injection LIVV Natural Emerging Threat: Melanotan, Repackaging, and Online Sales