Among men aged 4 1-50, the proportion of osteoporosis and hemorrhoids is high. Nutritionists advise men over 40 to eat foods with high calcium content, such as milk, beans, shrimp skin, seafood and so on. Smoking and drinking will affect the absorption of calcium, so pay more attention. More sunshine and more exercise can prevent osteoporosis. It is suggested that men improve their living habits and develop the habit of drinking water in the morning and defecating regularly.

Cod liver oil is fat extracted from the liver of sharks, cod, etc. It is yellow and fishy, and mainly contains vitamin A and vitamin D. It is often used to prevent night blindness and rickets. Cod liver oil contains vitamins A and D. Lack of vitamin A may affect the development of skin and vision, and lack of vitamin D may lead to rickets, because vitamin D can promote the absorption of calcium in food and play an important role in bone development.

Supplementing cod liver oil can make calcium better absorbed, and cod liver oil is best eaten in the morning, which can help calcium to be absorbed in one day. At the same time, you should often go out to bask in the sun, which is the same as cod liver oil. Cod liver oil does not need to buy imported cod liver oil, which is very expensive and the effect is actually the same.