Cost: about $3 per jar
Benefit: If you can handle the heat, this powerhouse pepper is worth your while. The heat in cayenne peppers come from a phytochemical called capsaicin, which can help clear congestion, fight cholesterol, melt away body fat, and jump-start your metabolism. Sprinkle it over veggies and beans to sneak it into your diet—just a half a teaspoon is all you need.
Keep Reading: Hot, Hot, Hot Peppers