2. Meat. In meat, the internal organs of animals have the highest calcium content. In addition, the calcium content of animal bones is also high, which can be broken and boiled.
3. Seafood. As we all know, shrimp skin and kelp are high-calcium seafood. In addition, all kinds of marine fish, shrimps and crabs can also achieve a certain calcium supplement effect.
4. vegetables. Generally, the calcium content of green leafy vegetables is relatively high, such as rape, Chinese kale and celery.