Side effects Short term side effects after administration include: Facial flushing Reduced appetite, nausea and vomiting In males, spontaneous erections 1-5 hours after administration (priapism), associated with yawning and stretching complex Long term, there is concern that melanotan II may increase the risk of: Melanoma a potentially serious form of skin cancer Deepening of the color of moles, new moles and atypical melanocytic naevi Melanonychia brown to black discoloration of one or more nails Suggested usage: daily for 1 - 2 weeks then one to two times weekly for maintenance
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Key Features 99% Purity (HPLC/MS Verified) Consistent lots for reproducible results Melanocortin Agonist MC1R/MC4R engagement for pigmentation and appetite/energy signaling models Photobiology Focus Supports assays of melanocyte cAMP signaling and UV-response endpoints Protocol Friendly Lyophilized, research-grade format for precise dosing and method development GMP-Compliant, USA-Made Batch-to-batch reliability COA Included Full lot documentation Mechanistic Overview (Research Context) Melanotan II is a cyclic heptapeptide analogue of -melanocyte-stimulating hormone (-MSH) that activates melanocortin receptors : MC1R (Pigmentation Biology): Increases cAMP in melanocytes interrogate pathways for melanin synthesis , melanosome transport , and DNA-damage response models
