Foods rich in iron include animal blood, such as pig blood, duck blood, animal liver, red meat, spinach, leeks, dates, etc.
The iron in animal foods is heme iron, which is easily absorbed by the body after eating, while the iron in plant foods is non-heme iron, which is poorly absorbed after being eaten. foods rich in iron, you should also eat more foods rich in vitamin C, because vitamin C can promote iron absorption.
Foods rich in calcium include milk and its products, dried shrimp, kelp, soybeans, black sesame, etc. Vitamin D can promote calcium absorption. When taking a calcium supplement, pay attention to vitamin D supplementation.