I've been dealing with some knee pain from running, and my friend keeps telling me to try collagen supplements. I see them everywhere now - powders, gummies, drinks. Are these actually backed by science or just marketing hype? Has anyone noticed real improvements?
The evidence is mixed - some studies show collagen can help with joint pain and mobility, but it's not a magic fix and results vary a lot from person to person. The science leans toward it being more than just hype, especially for stuff like type II collagen and combined with vitamin C, but you're not gonna wake up pain-free after a week. Honestly the bigger factor for knee pain from running is usually rest, proper form, and strengthening the surrounding muscles - collagen might help on top of that but shouldn't replace the basics. If you try it, give it a solid few months before deciding if it's working for you, since that's roughly how long people report noticing changes.
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