Tri-K� is a synergistic blend of vitamins K1 and K2, along with geranylgeraniol (GG) that work together to promote optimal delivery of vitamin K2 (as MK-4) to tissues supporting normal blood clotting, bone mineralization, and arterial elasticity.* Each 1-softgel serving delivers 2,000 mcg of vitamin K1 (as phytonadione), 500 mcg of vitamin K2 (as menaquinone-4 [MK-4]), and 17.5 mg of GG-Gold�, a patented form of GG, to support vitamin K status in the body