'OAT-Zempic' involves drinking a mixture of oats, water, cinnamon and lime every day. Despite the hype, dieters are less convinced that the shake is not a panacea.
Dietitians on social media have come up with a number of suggestions, including the supplement berberine, called "natural ozmpic" and even cinnamon. But other nutritionists warn that oat drink could fall into a dangerous category of diet trends, where people use shakes to replace whole foods.