It is part of a group of compounds called polyphenols.
They’re thought to act like antioxidants, protecting the body against damage that can put you at higher risk for things like cancer and heart disease.
It’s in the skin of red grapes, but you can also find it in peanuts and berries.
Resveratrol may even provide more benefits for people with diabetes than those who don’t have it.
In one animal study, red wine and resveratrol were actually more effective antioxidants in rats with diabetes than in rats who didn’t have it.