DV3 by Systemic Formulas
All the fat soluble vitamins work together. This is a basic and fundamental rule of good nutritional supplementation. In fact, overuse of Vitamin D3 without accompanying Vitamin K2 can result in a “relative deficiency” of K2 which helps mobilize calcium toward the bones and not toward arteries and joints. Vitamins A and E are also important in fat-soluble vitamin metabolic processes.