2,000 IU of plant-based Vitamin D3. One sugar-free gummy a day, dosed for what the body uses. The dose, explained On Call D3 provides 50 mcg (2,000 IU) of algae-sourced vitamin D3 per gummy. For adults, the NIH lists a recommended dietary allowance of 15 mcg (600 IU) through age 70 and 20 mcg (800 IU) after age 70. The adult tolerable upper intake level is 100 mcg (4,000 IU) per day. A clinician can help interpret blood tests or advise on individual intake. Why algae On Call D3 uses vitamin D3 from algae. Most D3 on the shelf is made from lanolin, which comes from sheep's wool. How to take it One gummy a day, with or without food. D3 absorbs a little better alongside a meal that contains fat. 30 gummies per bottle is a 30 day supply. What is not in it No added sugar. Sweetened with allulose and monk fruit. No gelatin. Our base is pectin. No gluten, no nuts, no animal products. No artificial colors or flavors. Supplement facts Serving size: 1 gummy (3g). Servings per container: 30. Vitamin D3 (from algae, vegan): 50 mcg (2,000 IU). Ingredients: IMO syrup, Allulose powder, Tapioca powder, Water, SF pectin, Citric acid (1:1), Natural Pineapple flavor, Vegan Vitamin D, Monk Fruit juice concentrate (liquid), Bamboo powder, Sodium Citrate, Natural Color. Warning: If pregnant, nursing, or under 18, consult a physician before use. Keep out of reach of children. These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.