GLP-1, or Glucagon-like Peptide-1, is a hormone produced in the gut, specifically by the L cells of the small intestine and colon
A great deal of the most exciting GHRP/ghrelin literature cardiovascular, neuroprotective, metabolic is animal or in-vitro work that has not been reproduced in controlled human trials for GHRP-2
STEP-5 extended the observation window to 104 weeks (N=304) and found mean weight loss of 15.2% with semaglutide 2.4 mg versus 2.6% placebo, demonstrating that the drug sustains its effect across two full years without clinically meaningful attenuation [10]
Sit or lie down for a few minutes and let it pass
And like many medical procedures, the real answer is it depends
Caffeine: If using, limit to morning only and track effect on sleep