Vitamin D3+K2  - 1 fl. oz. (Chelated) Promotes Bone Health & Calcium Absorption Encourages Healthy Heart & Blood Circulation Contributes to Hormone Regulation May Improve Dental Health Supports Healthy Immune System Aids in Mood and Energy Support 3rd Rock Essentials' Vitamin D3+K2 is a liquid vitamin supplement chelated for increased bio-availability. 5 drops provides the equivalent of 4000 IU of D3 and 90 mcg of K2. Each bottle contains approx 600 drops and is about a 4 month supply for one person.  It is advised to not take daily vitamin D supplements containing more than 4,000 IU unless monitored under the supervision of your doctor. Contains: Vitamin D3 (as cholecalciferol) and Vitamin K2 (as menaquinine-7 (MK7))      Other ingredients: Distilled water, di-calcium phosphate, citric acid. This product has not been evaluated by the FDA. It is not meant to diagnose, treat, cure or prevent any disease.