There is no such thing as “what is the fastest and most effective way to supplement calcium”. Patients with calcium needs should follow the doctor’s instructions to use drugs to supplement calcium is relatively fast, the effectiveness can also be guaranteed, such as under the guidance of the doctor to take calcium carbonate and other drugs to supplement calcium, the healthy people can also be appropriate to eat some milk and other foods to supplement calcium. 1. Calcium carbonate: Calcium carbonate is a commonly used calcium supplement for the prevention and treatment of calcium deficiencies, such as osteoporosis, tetany, osteogenesis imperfecta, rickets and so on. 2. Calcium gluconate: mainly used for calcium supplementation for children, pregnant and lactating women, menopausal women, the elderly and so on. 3. Milk: milk is rich in calcium, phosphorus, potassium, sulfur, magnesium and other nutrients, every 100 milliliters of milk contains about 110 milligrams of calcium, which is three times that of human milk, and the absorption rate is relatively high. 4. Soybean: Soybean is rich in fat, calcium, phosphorus, iron, B vitamins and other essential nutrients, and calcium content is high. Calcium deficiency is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, give targeted treatment or treatment.