Evidence strength: Limited direct GLP-1 data
Unlike sarcopenia, which requires both loss of muscle quantity and reduced function, lean mass reduction is a body-composition outcome most often assessed using dual-energy X-ray absorptiometry (DXA) or bioimpedance analysis (BIA) [2, 20]
Pregnancy and breastfeeding: B is safe and important during pregnancy
Specifically, it is manifested as a decrease in the mitochondrial DNA content, a reduction in the activity of electron transport chain complexes (such as complexes I and II), and a weakened ability to generate ATP, a key product of cellular energy metabolism [30]
However, all treatments have risks and side effects
For researchers interested in body composition , GHRP-6 occupies a unique niche