Are artificial sweeteners secretly wrecking your diet, or are they the weight loss tool you’ve been waiting for? For years, we’ve been caught in a confusing battle between health warnings from organizations like the WHO and the ubiquity of diet products in grocery stores. But the debate might finally be over. A massive new 2025 study published in the prestigious journal Nature Metabolism —known as the SWEET study —provides definitive answers regarding sweeteners and sweetness enhancers (S&SEs). In this video, we break down this gold-standard Randomized Controlled Trial (RCT) that tracked weight loss maintenance and gut microbiota composition over a full year. We’ll reveal how sweeteners impact short-chain fatty acids (SCFAs) , their surprising effect on keeping weight off compared to sugar, and the verdict on their safety for obesity management. If you are ready to stop guessing at the grocery store, this is what the study says.

Watch on YouTube with subtitles: https://www.youtube.com/@whatthestudysays
Podcast: https://podcasts.apple.com/tw/podcast/what-the-study-says/id1814559387
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