D3 Cell Guard supports bones, brain, heart, and immune system function. D3 Cell Guard provides this safe and natural form of Vitamin D3 in a liquid form with Medium Chain Triglycerides (MCT) for effective uptake and absorption. Additional protection to the D3 is provided by mixed natural tocopherols and ascorbyl palmitate in a natural rosemary extract. Recommended use: take 1 drop per day or as directed by a healthcare professional. Note: Hold bottle at a 45 degree angle and drop directly onto spoon. May be directly administered to others as appropriate. D3 Cell Guard Facts: 1 Drop contains: Vitamin D3 12.5 mcg (as cholecalciferol) Vitamins E 7.3 mcg (as mixed natural tocopherols) MCT Oil 34 mg (Medium Chain Triglycerides) Ascorbyl palmitate 2 mcg Rosemary Oil 0.33 mcg Other Ingredients: None.