Losing a little bit of lean mass is practically unavoidable during weight loss, but clinical trials of GLP-1 drugs show that some people lose a disproportionate amount of muscle mass
CM indicates cardiomyocyte
Glutathione also protects your mitochondria, promoting cell energy production
However, this is based on subgroup analysis (which has less statistical power than the overall finding), so it should be interpreted with appropriate caution
Although this was a small study, and the researchers only analyzed one sample of each product, the findings align with previous work that identified banned products, such as ephedra and caffeine quantities that differed from those identified on the label in athletic performance supplements
For a deeper look at that pharmacology, our guide to why GLP-1 dosing frequency differs explains the role of half-life in weekly dosing