It’s a tough pill to swallow. There are countless supplements and pantry staples out there that swear to help people slim down, from apple cider vinegar shots to “nature’s Ozempic” . But one popular pill may not live up to its claims of shedding pounds and busting belly fat, according to a new study. Those online have long touted the benefits of berberine , a plant-derived compound that may have anti-inflammatory properties, inhibit the growth of certain cancer cells and lower cholesterol and