The mechanisms of action all combine so that you take in fewer calories and make more out of them energetically while making less out of them as fat
So even though the FDA isnt often cracking down on peptides sold for research use, dont assume that its a legal business model
As was previously mentioned, levels of GH and IGF-1 steadily decrease over a lifespan, and with the lower hormone levels comes a myriad of side effects such as increased fat mass, cardiovascular dysfunction, decreased muscle mass, and declined cellular protein synthesis
J Investig Med High Impact Case Rep 9:23247096211051919
Smith LL, Mosley JF, Parke C, Brown J, Barris LS, Phan LD