For instance, federal health officials have launched a new program to make the current crop of weight-loss drugs available to older Medicare patients who are struggling with obesity
"Semaglutide is the most validated GLP-1 medicine in outcomes trials, with demonstrated benefits across atherosclerotic CVD, HFpEF, CKD, MASH, OSA, and osteoarthritis," he says
American Cancer Society
Some lean mass loss can occur during any major weight-loss program including GLP-1 treatment but recent research suggests the muscle loss may not be as severe as experts once feared
Last reviewed: June 5, 2026 Last updated: June 5, 2026 Written by: Jay Hastings, CEO of PlexusDx Jay Hastings is the CEO of PlexusDx, a precision health company focused on genetic testing, blood biomarker insights, and personalized wellness recommendations