Black garlic is made of specially selected fresh garlic by strictly scientific fermentation. As a pure natural and health food, it mainly contains amino acids, proteins, garlic-ene, active SOD and polyphenols and so on. The result of Japanese research shows that black garlic has good effects on resisting fatigue, resisting ageing, enhancing the body's immunity, enhancing the recovery of the diabetics, assisting in the recovery of the weakened, preventing flu and preventing cancer. It is also helpful to adjust blood pressure, blood sugar, blood lipid and cholesterol levels and improves the situation of constipation and insomnia.