Viral TikToks claim that green tea helps with weight loss, with some calling it “nature’s Ozempic.” The beverage’s link with health goes back centuries, and today, the demand for matcha has resulted in a global shortage. But can drinking up to five cups a day shed pounds like GLP-1 agonists, as some TikTokers maintain?

According to Vancouver-based registered dietitian Desiree Nielsen, the research is inconsistent, and the effects are “generally quite tiny.”