Vitamin D Synergy provides clinically useful doses of vitamin D3 and vitamin K (in the form of K1). This formula can be replaced with Vitamin D Supreme when more aggressive therapeutic levels of vitamins D and K are desired. Vitamins D and K are essential for optimal bone and arterial health and for maintaining the immune system in proper balance.**
Recommended Use: As a dietary supplement, take one capsule per day with a meal, or as directed by your health care practitioner.