1, no symptoms will not lack of calcium. Early osteoporosis without obvious symptoms, such as symptoms are to the middle and late stages of osteoporosis, the danger of osteoporosis is prone to fracture. 2, blood calcium is normal will not lack of calcium. The human body in order to maintain blood calcium in the normal range of fluctuations, often in the case of calcium deficiency to mobilize bone calcium release into the blood, in order to maintain the stability of blood calcium, so blood calcium normal may also be calcium deficiency. 3, to the old age and then calcium supplementation. One of the principles of calcium supplementation is early supplementation, preferably at the age of 35 for women and around 40 for men, which can improve calcium stores and peak bone. 4, bone soup can supplement calcium. The calcium content of bone broth is minimal, with a bowl of bone broth containing only 1.9 mg of calcium and a lack of vitamin D, which promotes calcium absorption. this is far from the 1000 mg of calcium required daily by menopausal women. If you only rely on bone broth to supplement calcium, you should drink at least 400 bowls of bone broth every day, which is obviously impossible to do and harmful. 5, the more calcium supplementation the better. The best amount of calcium supplementation is 800-1200 mg per day, but more than 2000 mg of calcium per person per day will interfere with the absorption of iron, zinc and phosphorus, so the more calcium supplementation is not the better. For healthy people, the correct method of calcium supplementation is very simple, as long as you follow scientific and reasonable dietary principles, take a diverse and balanced diet, pay attention to more intake of dairy and soy products in your daily diet, and take extra calcium tablets when necessary.