Garlic (Allium sativum) is a herb that is grown around the world. It is related to onion, leeks, and chives.
Garlic is most commonly used for conditions related to the heart and blood system. These conditions include high blood pressure, high levels of cholesterol or other fats (lipids) in the blood (hyperlipidemia), and hardening of the arteries (atherosclerosis).
In foods and beverages, fresh garlic, garlic powder, and garlic oil are used to add flavor.