The major biologic function of Vitamin D is to maintain healthy blood levels of calcium and phosphorus.* Vitamin D supports bone health by promoting calcium absorption and bone mineralization.* Vitamin D also plays an important role in immune function and helps to regulate cell growth and differentiation.*

Although the upper limit for vitamin D is 4,000 IU per day, comprehensive research demonstrates that higher dosages are safe. However, this product should be taken under the supervision of a healthcare professional. Vitamin D should be used cautiously by those taking cardiac glycosides and anyone with hypercalcemia. Vitamin D supplements may interact with atorvastatin and thiazide diuretics. If you are taking any of these prescription medications, consult your healthcare practitioner before using this product. Natural color variation may occur in this product. Store in a cool, dry place after opening.