
Vitamin C Won't Stop Your Cold. Here's What It Actually Does.
Published: July 26, 2026
Duration: 9:53
Your orange juice habit isn't protecting you from getting sick. But before you toss that bottle, here's what vitamin C is actually doing that's way more important.
Turns out the whole "vitamin C prevents colds" thing is basically a marketing myth. The research shows it only cuts your cold by about 8% - that's maybe half a day shorter. Not exactly the immune shield we've been promised.
But here's what gets me: we're completely missing what vitamin C actually does. This stuff is literally holding your body together. Without it, your blood vessels start falling apart. Your gums bleed. Your old...