One potential drawback associated with GLP-1 medications is that weight loss not only includes fat loss, but muscle loss as well, with some studies finding that about 30% of the weight loss from GLP-1s may be contributed to loss of lean mass, or muscle mass. Now, a new study published in the International Journal of ObesityTrusted Source has found that, over time, the majority of weight loss from GLP-1 medication was from fat loss, and not muscle loss.

Source: Medical News Today