Food source: synthesis with sunlight, mushroom extracts, also in fortified non-dairy milk & juices, eggs.
Functions: Improves absorption and utilization of Calcium and Phosphorous; required for bone and teeth formation; maintains a stable nervous system and normal heart action.
Deficiency: May lead to rickets, tooth decay, softening of bones, improper healing of fractures, lack of vigor, muscular weakness, inadequate absorption of calcium, retention of phosphorous in the kidneys.
Toxicity: kidney stones, fatigue, calcification of soft tissue
Vegan Product: Nature's Plus Source of Life Garden Vitamin D3