Any kind of bone broth can achieve a certain calcium effect, the main reason for bone broth calcium supplement is because the bone is a high calcium ingredients, the calcium inside the bone is in the form of calcium phosphate solid form, through a long time after boiling part of the calcium can be dissolved into the bone broth, can achieve the effect of calcium supplement to the human body. But in folklore there is a suspicion of expanding the calcium effect of bone broth, because through experiments and laboratory tests, even if the bone broth boiled for a long time, its calcium content is not too high, can only play a certain role in calcium, but can not play a full complement of calcium effect. Generally speaking, the calcium and phosphorus ratio of milk is more appropriate in everyday ingredients, and the calcium content is higher and easily absorbed by the body, which is the best food for calcium supplementation.