It contains very less carb among all vegetables. It contains only 2 gm of carb out of which 1 is fiber. It helps to reduce the risk of heart attack by reducing the homocysteine level-up to 13%. You can declare it as a least carb veggie.
It is good for immune system. It prevents from cold and cough and reduce blood pressure. As it is a high carb veggie we eat it in a very less quantity. Three gram of garlic contains 1 gm of carb out of which one portion is fiber.