Known for making desserts sweet and Indian food complex, cinnamon is rich in antioxidants that inhibit blood clotting and bacterial growth (including the bad-breath variety). “Studies also suggest that it may help stabilize blood sugar, reducing the risk of type 2 diabetes,” says dietitian Nancy Clark, author of Nancy Clark’s Sports Nutrition Guidebook. “What’s more, it may help reduce bad cholesterol. Try half a teaspoon a day in yogurt or oatmeal.”