Green leafy vegetables contain relatively high calcium, such as rape, spinach and Chinese cabbage, as well as carrots and amaranth, and you can also eat some dairy products. Such as milk, yogurt and so on. Calcium supplementation also requires eating more fruits, such as apples, bananas, grapefruit and pitaya. Lean meat, animal liver and fish can also be supplemented with calcium by eating more. If calcium is supplemented, it is best to add it through food.