#1 Pharmacist Recommended Vitamin Supplement Brand*Dietary SupplementUSP® Verified5000 IU (125 mcg)Supports Immune HealthSupports Bone, Teeth, Muscle HealthNo Color AddedNo Artificial FlavorsGluten FreeFormulated with 125 mcg (5,000 IU) of vitamin D3 for those with higher vitamin D needs or deficiency, as determined by a healthcare professional.USP has tested and verified ingredients, potency and manufacturing process. USP sets official standards for dietary supplements.*Based on Pharmacy Times Survey of pharmacists recommending Letter Vitamin Supplements.