Dietary Supplement. Liquid Vitamin D. 3 2000 IU Per Drop. This Amazing Vitamin Supports and Promotes: Teeth & Bone Health. Healthy Immune System Function. A Healthy Cardiovascular System. A Healthier Mood. Muscle Health. Calcium Absorption. The Sunshine Vitamin Natural Vitamin D 3 can be produced in our bodies when our skin is exposed to sunlight under the proper co.