Vegan Non-GMO - Now Genetically Modified 25 mcg (1,000 IU) Dietary Fiber Suitable for Vegetarian/Vegan Supports: Calcium and Bone Metabolism Immune Function Usage: For adults, take 1 capsule per day with a meal or as directed by your qualified healthcare professional. Jarrow Formulas Vegan D3 is derived from lichen, a plant-like symbiotic organism composed of fungi and algae. Cholecalciferol, D3, exhibits superior biological activity in the body compared to ergocalciferol (D2). Vitamin D3 enhances calcium and phosphorous absorption, stimulates the synthesis of osteocalcin (an important structural protein in bone), and supports a healthy immune response.