Nutrition: Resveratrol Part 2

What he does: Has taken resveratrol, a compound found in the skin of red grapes, since 2003. He’s even gotten his wife and parents to follow suit.
Why: Resveratrol may activate a family of longevity-related enzymes.  Sinclair gave up a calorie-restricted diet, which may work similarly, after a week.  “It just made life seem longer,” he says.