Multivitamin/Mineral Formula for Daily Wellness. With vitamin K. Hypoallergenic. Gluten Free. Non-GMO. This formula provides our Nutrient 950 without iron formula, enhanced with vitamin K1 and vitamin K2. Vitamin K1, phylloquinone, is the most common form of vitamin K and is found in plants and green vegetables. This formula also provides the most active and bioavailable forms of vitamin K2, menaquinone-7 (MK-7) and menaquinone-4 (MK-4). Studies indicate that vitamin K1 and MK-4 are primarily concentrated in the liver, while MK-7 concentrates in extra-hepatic tissues. Vitamin K2 encourages osteocalcin to bind to calcium and promote healthy bone mineralization. Vitamin K2, as MK-7, is especially important for maintaining healthy arterial calcium metabolism, supporting healthy vascular elasticity. Recent studies indicate that vitamin D also potentiates the activity of vitamin K, providing synergistic support for bone health and blood vessel function. This formula provides 1,000 i.u. vitamin D. Nutrient 950 with vitamins K1 and K2 also provides 1,000 i.u. vitamin D for enhanced support of bone and arterial health.