Ordinary pure milk, a box of 250ml pure milk contains 250-300mg of calcium.

High calcium milk, the calcium content in high calcium milk per 100 ml is as high as 150 mg.

Yogurt contains 80 mg of calcium per 100 ml of yogurt.

It's best to drink milk at night, because milk contains L tryptophan, a biochemical substance that can make people feel tired and sleepy, and traces of morphine, all of which have certain sedative and hypnotic effects. Calcium in milk can also eliminate tension, so it is more beneficial to the sleep of the elderly, so drinking milk at night is good for rest and sleep.

What food supplements calcium:

Milk: It is usually rich in calcium, which is important for bone health care. Milk is not only beneficial to developing children, but also a necessity for adults and the elderly. If patients are allergic to milk, they can also take yogurt.

Bean products: Usually, it is also a food with more calcium, among which tofu has lower fat content, no cholesterol and higher calcium content, which is more suitable for the elderly.

Other foods: fruits, meat and fish all contain calcium, but the relative content is relatively small. Dried fish, dried shrimps, seaweed, laver and other seafood contain high calcium.

Also need to pay attention to avoid high-salt diet or high-protein diet, so as not to promote urinary calcium loss. If you have long-term bad habits such as alcoholism, smoking and drinking a lot of coffee or strong tea, you should also pay attention to adjustment, which is not conducive to the absorption of calcium.