Calcium + Cofactors is a holistic herbal and mineral supplement designed to support healthy bone metabolism and mineralization*. With bioavailable calcium from marine algae and features Ciccus quadrangularis, a classical herb from the Ayurvedic philosophy for supporting a healthy skeletal system. All this combined with foundational minerals zinc, boron, and strontium, coupled with Vitamin D to ensure a well balanced, food-based, skeletal support formula.*