Our Vitamin D3 5,000 IU and Vitamin D3 10,000 IU (in Cholecalciferol) is in a pure, highly absorbable and bioavailable form of vitamin D (from lanolin), for optimal nutritional benefits for the skeletal, cardiovascular and immune systems. Vitamin D3 is the naturally occurring form of vitamin D synthesized in humans. Studies has shown that plant derived D2 is metabolized differently than D3 and that D3 may be over 3 times more effective than D2 in raising and maintaining serum vitamin D levels.
Vitamin D3 is mainly noted for optimizing calcium bioavailability, thereby promoting peak bone mass and bone strength. Our Vitamin D3 5000 / 10,000 IU is a professional-strength formula that promotes compliance through once-a-day high potency administration.
Use Caution: Vitamin D3 (10,000 IU) is for intermittent or short-term use Only. Please consult with your doctor/physician about high dose of Vitamin D3 use.