Milk is rich in protein, including all amino acids needed for human growth, and its digestibility can reach 98%. Some substances in milk have protective effects on middle-aged and elderly men. Men who drink milk tend to be slim and energetic, and the prevalence of hypertension and cerebrovascular diseases is also low. Calcium in milk is the most easily absorbed, and minerals such as phosphorus, potassium and magnesium are reasonably matched. Pregnant women should drink more milk. Drinking milk before and after menopause in middle-aged women can slow down calcium loss, and drinking skim milk for a long time can prevent cancer. A variety of enjoyment can improve anemia in children. Drinking before going to bed can help you sleep, and milk is also a good beauty and skin care product.

Best person: suitable for people of all ages. Low-fat milk is suitable for elderly people with hypertension, and high-calcium milk is suitable for moderate and severe calcium deficiency, children, the elderly, irritable people, insomnia people and women with high work pressure. Usually about 200 mg per day is enough. Pregnant women should drink 200~400 mg every day.

Milk is a very healthy food, and its immune function is related to many aspects. Good living habits, reasonable diet and proper physical exercise are indispensable.