Garlic belongs to the family of onions, leeks and echalote. It contains a compound called allicin, which has medicinal properties, which have been documented from the Egyptians, the Romans and the Chinese. Allicin enters the body through the digestive system and its benefit increases when consumed chewed, chopped or crushed. Garlic has very few calories, but a high nutritional value. A portion of garlic of 28 grams contains, on the scale of Recommended Daily Consumption: 23% manganese, 17% vitamin B6, 15% vitamin C and 1 gram of fiber.