The absorption difference is dramatic
What they found (summary): MC1R: melanogenesis, pigmentation, anti-inflammation MC2R: ACTH receptor in the adrenals (Melanotan II does not act) MC3R: energy, cardiovascular function, anti-inflammation MC4R: appetite (central control), sexual function, autonomic regulation MC5R: exocrine glands (sebaceous, lacrimal, salivary) Mutations in MC4R are the most common monogenic cause of obesity in humans Why it matters: Cones review article is the reference article for all of melanocortin pharmacology
Are these peptides legal and FDA-approved for hair loss
Pre-marketing studies revealed an incidence of less than 1% of hemolysis and methemoglobinemia among 703 patients
Simultaneously, Novo Nordisks SELECT trial confirmed a 20% reduction in major adverse cardiac events with semaglutide, expanding prescriber confidence and unlocking reimbursement across high-risk populations
This suppresses production of pro-inflammatory cytokines including TNF-alpha, IL-1beta, and IL-6 (the same IL-6 that paradoxically stimulates GLP-1 production in a feedback loop)