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 d-3 1 -000iu healthy - 180 tablets (180 servings)