Garlic contains a compound known as quercetin. Quercetin is an antioxidant that helps in reduction of inflammations. You can consume up to 4 cloves of raw garlic or probably use them powdered or as supplement. However, there are indications that raw garlic causes stomach up, so health experts have recommended the consumption of aged garlic. Garlic is also a well-known cancer fighter and can help you lower the risk of potential heart disease.