NOW&ampreg; Calcium Citrate Vcaps&ampreg; is an optimal vegetarian formula designed to support bone structure.&ampnbsp; Calcium Citrate is a readily digested and absorbed form of Calcium.&ampnbsp; The trace minerals (as&ampnbsp;amino acid chelates) and Vitamin D (as Ergocalciferol - a vegetarian source) are added because of their essential role in bone metabolism.*