Do zero-calorie sweeteners help with weight loss? The World Health Organization reviewed 283 studies to find out what the science really says. While studies have shown small weight loss in the short term (3 months or less), there’s a lack of evidence showing they’re effective in helping people lose weight in the long term (over 6 to 18 months). This post breaks down what WHO actually said, clears up common media misconceptions, and explains what it means for your health and k