Two-month treatment of obese subjects with the oral growth hormone (GH) secretagogue MK-677 increases GH secretion, fat-free mass, and energy expenditure
This barrier is part of the rationale for injectable delivery, though injectable GHK-Cu for cosmetic outcomes has no published RCT data of its own
A systematic review of 39 randomized controlled trials (RCTs) found increased risks of vomiting, nausea, constipation, and diarrhea with GLP-1RAs in non-diabetic individuals compared to placebo
This is the data behind the muscle-and-nutrient concern, drawn from the largest claims analysis to date , Butsch and colleagues' retrospective study of 461,382 US adults newly prescribed GLP-1RAs (Butsch et al., Obesity Pillars, 2025
Outcome analysis for conservative management of Peyronies disease