Organic Gold Standard Whole Food Calcium, Magnesium, Vitamin D3 and Vitamin K2. Grown from Certified Organic Whole Food Source of Life Garden Bone Support Caps with Organic Gold Standard Nutrients is the breakthrough all-organic source of whole-plant-source calcium and magnesium, plus vitamin D3 (cholecalciferol) and vitamin K2. Source of Life Garden Bone Support nutritionally supports healthy bones with 1000 mg of the most assimilable plant-based calcium from AlgaeCal. This marine algae is carefully, and sustainably, harvested live from the pristine shores of protected coastline in South America. For maximum absorption and utilization, Garden Bone Support provides 1000 IU of vitamin D3. Its vitamin K2 (menaquinone-7) is the most bioavailable form of vitamin K, the critical bone-health nutrient. Garden Bone Support features: Certified Organic AlgaeCal® calcium and magnesium 100 mcg Vitamin K2 (m7) Organic Mushrooms supplying vitamin D3 and other healthful nutrients In a base of more than 20 organic whole fruits, vegetables, mushrooms, herbs, algae and other green foods. Adequate calcium and vitamin D as part of a healthful diet, along with physical activity, may reduce the risk of osteoporosis in later life.