Energy Guardian Seaweed Calcium is a calcium supplement extracted from natural seaweed. Seaweed calcium is rich in organic calcium and various trace elements, which is easy to be absorbed and utilized, and does not contain artificial additives and heavy metals. Calcium is an important component of human bones and teeth, which is very important for bone health and growth. The source of seaweed calcium is natural and pure, which helps to improve the absorption rate of calcium and reduce the excretion of calcium, thus better meeting the human body's demand for calcium.