Analysis of illness: cramps, backache, poor sleep and other symptoms are caused by calcium deficiency, so we should pay attention to calcium supplementation. Guidance: Calcium supplementation for middle-aged women can prevent osteoporosis, backache, poor spirits and so on. It is suggested that middle-aged women should combine food and calcium tablets to supplement calcium. Foods that can be eaten to supplement calcium include milk, bean products, fish, shrimp skin, kelp, nuts, sesame seeds, eggs and other calcium-supplementing foods. It can supplement a certain amount of calcium to the human body. In addition, because the absorption capacity of calcium for middle-aged people is gradually declining, it is recommended to take calcium tablets to supplement calcium. Calcium tablets commonly used in the body are very effective in improving calcium deficiency symptoms of middle-aged women, such as numbness of legs and feet, backache, poor sleep and poor spirit. Remember to go outdoors in the sun to supplement calcium, which can promote the absorption of calcium. Don't drink carbonated drinks and eat high-calorie food, which will cause the loss of calcium in the human body.