Weight loss drugs and surgery improve fat-to-muscle ratio in obesity

Both the new weight loss drugs and bariatric (weight loss) surgery improve body composition in patients with obesity by inducing a moderate loss of fat-free mass (including lean muscle) along with a substantial reduction in fat, researchers at Vanderbilt Health have found.

source https://medicalxpress.com/news/2026-01-weight-loss-drugs-surgery-fat.html