Advanced Nutrition By Zahler Dosage: 1 Drop Supports Healthy Bones And Immune System General Health 125 Mcg (5,000 Iu) Per Serving Advanced Nutrition By Zahler Dosage: 1 Drop Supports Healthy Bones And Immune System General Health 125 Mcg (5,000 Iu) Per Serving Dietary Supplement Kosher Pareve This Product Was Manufactured In A Gmp Certified Facility Non-Gmo Gluten Free Dairy Free Soy Free Vegetarian Friendly Feel Better, Everyday Vitamin D Vitamin D3 Is A Crucial Nutrient For Overall Health. Yet, A Typical Diet Does Not Provide The Recommended Amount Of This Vitamin. In Addition To Supporting Bone Health Research Shows That Vitamin D3 Supports Overall Health