Vegetarian/Vegan Bone-Up provides calcium citrate, a vegetarian/vegan source of the essential mineral calcium and a form that has demonstrated superior absorption. Also, Vegetarian/Vegan Bone-Up is formulated with vitamin K2 (as MK-7 from natural fermentation [a more bioavailable form of vitamin K]) and vitamin D2 to support the deposition of calcium into the bones as well as to assist in building up the organic bone matrix. Potassium citrate is a systemic alkalizer added for optimal osteo support. HEALTH CLAIM: Adequate calcium and vitamin D as part of a healthful diet, along with physical activity, may reduce the risk of osteoporosis later in life.