GLP-1 drugs like Novo Nordisk's Ozempic and Wegovy rank among the biggest medical breakthroughs in years, owing to their efficacy in treating obesity and type 2 diabetes, and reducing the risk of heart disease. Some 10 million Americans used them last year, a figure that could grow to 25 million by 2030, according to JPMorgan research.

Their side effects, though, have caused many to turn to loosely regulated dietary supplements https://reut.rs/3UCk7cT