The eel vertebrae has almost everything needed for a perfect source of calcium, which is respected by scientists at home and abroad, and is recognized as an ideal natural source of calcium and a natural supplier of calcium for human beings. The ratio of calcium to phosphorus in eel vertebrae is close to 2:1, which naturally matches breast milk and is internationally recognized as the best ratio for calcium absorption, and the bioavailability of the calcium contained in eel calcium is extremely high. Eel calcium is made of eel bone meal, oligosaccharides, vitamin D, milk powder as the main raw materials of health food, with calcium health functions. Eel Calcium is a natural bio-calcium, which is safe and easy to be absorbed. It is safe and easy to be absorbed. The special addition of isomalt oligosaccharides has an excellent enhancement effect on bifidobacteria, the beneficial bacteria in the human intestinal tract, and can regulate the gastrointestinal function.