Both are analogs of alpha-melanocyte-stimulating hormone, but [Melanotan 2]( is a shorter, modified version of [Melanotan 1]( They have different binding affinities and downstream effects, making them distinct compounds for different research applications
A phase I clinical trial of once-weekly Mazdutide (also known as IBI362 or LY3305677) with dose-escalation over 12 weeks demonstrates therapeutic efficacy in overweight and obese patients, reducing body weight by 4.8% (3 mg dosage), 6.4% (4.5 mg), and 6.0% (6 mg) [90]
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Ipamorelin, being a GHRP, signals the release of that stored GH
[PubMed: 21296991] 3
Evidence that cobaltcarbon bond homolysis is coupled to hydrogen atom abstraction from substrate in methylmalonyl-CoA mutase