A single supplement is suddenly everywhere. From wellness influencers to sleep experts on social media, glycine is being promoted as the latest solution for better sleep, glowing skin, faster recovery, and overall wellness. But does this viral sleep hack actually work, or is it another health trend with more hype than science? While research suggests glycine may offer real benefits, doctors say there is much more to the story. Before adding it to your nightly routine, here's what you should know.
