HIGH POTENCY VITAMIN D: Contains 25,000 IU of vitamin D3 per capsule IMMUNE: For short-term support of immune function under the guidance of a health-care practitioner* LACTOSE-FREE: No lactose, BHT, BHA, sodium benzoate, or sorbic acid, which can be detrimental to sensitive individuals Also available in 1,000 IU, 5,000 IU, and 10,000 IU capsules FREE FROM: Every Thorne product is made with the purest possible ingredients – without gluten or other major allergens (eggs, tree nuts, peanuts). This product also contains no dairy, soy, yeast, fish, or shellfish.