Weight-loss wonder drugs 'no substitute for exercise'

Exercise is a must to prevent people on weight-loss medication losing muscle and bone, experts say. (PR IMAGE PHOTO)

Doctors are being urged to prescribe exercise alongside "miracle" weight-loss drugs to prevent devastating muscle and bone loss as millions more Australians gain access to the medications.

With GLP-1 drugs like Ozempic, Wegovy and Mounjaro increasingly used to treat obesity and metabolic disease, Australia's peak physical activity body warns exercise isn't optional but essential to prevent long-term harm.