Source of Life® Garden Bone Support Caps with Organic Gold Standard Nutrients is the breakthrough all-organic source of the most assimilable plant-based calcium and magnesium 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, Source of Life Garden Bone Support provides 1000 IU of vitamin D3. And it boasts the world’s only D3 from vegetarian, organic mushrooms! Its vitamin K2 (menaquinone-7) is the most bioavailable form of vitamin K. In a base of over 20 organic whole fruits, vegetables, mushrooms, herbs, algae and other green foods.