GNC Vitamin D-3 1, 000Iu: Healthy Teeth & Bones Support Vitamin D-3 Is Essential For Calcium Absorption & Strong Bones. GNC Vitamin D-3 - 25 Mcg Dietary Supplement S Healthy Teeth & Bones. Contains A 180-Day Supply Of 180 Tablets No Artificial Colors Or Flavors No Wheat Or Dairy Gluten Free Sodium Free | GNC Vitamin Dhealthy -3 1 Healthy -000Iu Healthy - 180 Tablets (180 Servings)