NOW Foods Vitamin D3 & K2 combines 1,000 IU of Vitamin D3 and 45 mcg of Vitamin K2 per serving to provide a synergistic approach to bone and cardiovascular health. Vitamin D3 enhances calcium absorption, while Vitamin K2 directs calcium to the bones and teeth where it is needed, preventing it from accumulating in the arteries. This powerful combination supports overall bone health, cardiovascular function, and optimal calcium metabolism. With 120 capsules per bottle, this supplement is a convenient and effective way to maintain your health.