When people are between 40 to 60 years old, the level of hormone in their body will decline rapidly, which may easily lead to osteoporosis. In such a case, this passage will recommend eight kinds of common food, which can prevent the middle-aged and elderly people suffering from osteoporosis.

1. Milk
Milk is the most common source of calcium. A glass of milk can provide 1/3 of the calcium needed by human body every day. Milk contains a high content of calcium. One liter of milk contains about 1000 milligrams of calcium. What's more, the calcium contained in milk is easy to be absorbed and utilized by the human body.

2. Onion
Onion is also a good food to supplement calcium to the body. This is because the volatile sulfide contained in onion can prevent the loss of calcium, so as to keep people away from the trouble of osteoporosis. At the same time, onion has an antiseptic effect, and it can strengthen the resistance of the human body.

3. Bean products
Beans contain a large number of calcium. After they are processed into bean products, the content of calcium will significantly increase. Research has shown that, the content of calcium contained in bean products is closely related with the amount of coagulating agent in the process of production. As a result, bean products, such as bean curd, dried bean curd, skin of bean curd, are all good sources calcium.

4. Animal bones
80% of animal bones is made up of calcium. Drinking more animal bone soup in daily life is a good and effective way to supplement calcium and prevent osteoporosis. You can add a few drops of vinegar in the animal bone soup, which can dissolve the calcium contained in the bone, so as to promote its absorption and utilization by the human body.

5. Sesame
Sesame is a common and popular health-care product for elderly people. At the same time, it is also a good source of calcium. Sesame paste contains a high content of calcium. You can add some sesame paste when eating noodles or making cold dishes, which can play certain effect in the supplementation of calcium. In addition, some data shows that, the effect of black sesame is much better than that of white sesame.

6. Chinese cabbage
If you want to supplement more calcium to the body, you do not have to rely on milk or bean products. Some vegetables also contain a large number of calcium. As a result, they are also very helpful in the prevention of osteoporosis. For example, cooked cabbage contains much more calcium than milk. However, the calcium contained in Chinese cabbage will be easily destroyed during the cooking process, so you should not cook Chinese cabbage for a long time.

7. Caraway
Middle-aged people tend to easily suffer from bone loss, which may lead to osteoporosis. Experts have pointed out that, they can eat more food containing boron, which can promote the body to absorb more minerals, so as to protect the bone. Caraway is a kind of vegetable which is rich in boron. Besides, caraway also contains a variety of nutrients, such as iron, calcium, vitamins, and so on. These nutrients are very helpful for maintaining the stability of blood sugar.

8. Kelp and shrimp skin
Kelp contains a variety of minerals. Every 100 grams of kelp contains about 1100 milligrams of calcium. In addition, the alginic acid contained in kelp can prevent leukemia and bone cancer. As for shrimp skin, it is not only very nutritious, but is also a good source of calcium. As a result, it also plays an important role in preventing osteoporosis.