GLP-1 users are increasingly turning to supplements, while doctors urge caution

GLP-1 users are increasingly turning to supplements, while doctors urge caution

GLP-1 medicines, widely used for type 2 diabetes and weight management, are becoming increasingly common.

GLP-1 is a hormone involved in regulating appetite and blood glucose levels. Medicines that mimic its effects can help people feel full sooner, eat less and improve blood sugar control.

GLP-1 medicines include semaglutide-based treatments such as Ozempic, Wegovy and Rybelsus, liraglutide-based medicines such as Saxenda and Victoza, as well as Trulicity. Mounjaro and Zepbound act on both GIP and GLP-1 receptors and are therefore often discussed alongside GLP-1 medicines.

Some users experience nausea, constipation, weakness and other side effects, prompting many to turn to vitamins and dietary supplements.

According to Reuters, nearly half of GLP-1 users started taking new vitamins or supplements after beginning treatment. Popular choices include protein, fiber, collagen, electrolytes, probiotics, magnesium and vitamin B12.

A Boston Consulting Group survey found that GLP-1 users spend around 20% more on protein, fiber and collagen than before starting treatment.

Doctors and regulators are urging caution. In the U.S., many dietary supplements do not require FDA pre-approval before reaching the market, meaning evidence about their ingredients, doses and benefits may be limited.

Experts advise people taking GLP-1 medicines to consult a doctor or pharmacist before adding new supplements.