Bluebonnet Vitamin D3 dietary supplement comes from a natural lanolin source to ensure purity and effectiveness. Each single-capsule dose contains a full 2, 000 IU of vitamin D3, which is 250% of your daily recommended intake, and the Vegetarian Capsules are easy to swallow. We never include milk, egg, fish, shellfish, wheat, soy, gluten, yeast, Rice, barley, peanuts or tree nuts, making it easy to avoid known allergens. This 180 count bottle provides approximately a 6 month supply.