Old yogurt can promote the secretion of digestive juice and increase gastric acid, thus enhancing people's digestive ability and promoting appetite.

Lactic acid in old yogurt can not only change the weak acidic substances in the intestine into weak alkaline substances, but also produce antibacterial substances, which have a health care effect on the human body.

When making old yogurt, some lactic acid bacteria can synthesize vitamin C, which increases the content of vitamin C.

During pregnancy, yogurt not only provides necessary energy, but also provides vitamins, folic acid and phosphoric acid; It can also inhibit osteoporosis caused by calcium deficiency when women are in menopause; In old age, eating yogurt every day can correct the nutritional deficiency caused by partial eclipse.