In biochemical and cellular systems MT-II acts as a broad, non-selective agonist across the melanocortin receptor family MC1R, MC3R, MC4R and MC5R with negligible activity at MC2R
& Stephenson, J
It also supports collagen and elastin proteins that give skin its firmness and elasticity
Severe restriction activates adaptive thermogenesis, where your body reduces energy expenditure to match drastically reduced intake
Goldstein RF, Abell SK, Ranasinha S, Misso M, Boyle JA, Black MH, et al
For a broader look at what side effects mean and when they signal a need for dose adjustment versus normal adaptation, our semaglutide troubleshooting guide covers the most common scenarios