MK-7 (Menaquinone-7) is an enhanced bioactive form of vitamin K2, also known as Menaquinones. MK-7 from Natto is ten times better absorbed than K1 from spinach. While vitamin K1 is primarily absorbed by the liver, MK-7 is absorbed in extrahepatic tissues, such as the arterial wall, pancreas, and testes. Source: Jarrow Formulas Ingredients: See below. Sale Price: $22.99 Take advantage of FREE air shipping in the USA! Read More . . . MK-7 is vitamin K2 with nattokinase for the vascular system. K2 keeps calcium out of the arteries and drives it into the bones. Vitamin K2 as MK-7 90 mcg Natto K2 Natto Extract Bone and Cardiovascular Health Dietary Supplement Jarrow Formulas NattoMax is an extract from genetically unmodified (non-GMO) soybeans fermented with Bacillus subtilus natto. MK-7 is concentrated without solvents. MK-7 (Menaquinone-7) is an enhanced bioactive form of vitamin K2, also known as Menaquinones. MK-7 from Natto is ten times better absorbed than K1 from spinach. While vitamin K1 is primarily absorbed by the liver, MK-7 is absorbed in extrahepatic tissues, such as the arterial wall, pancreas, and testes. Vitamin K functions primarily as a co-factor for the enzyme gamma-glutamyl-carboxylase, responsible for carboxylation of  specific bone proteins. Each softgel of MK-7 offers the amount of menaquinone-7 (MK-7) found in 120 grams of cheese. (LEF has more K2 in its Vitamin K formula, but no nattokinase.) Supplement Facts Serving size: 1 Softgel Amount Per Softgel - %DV MK-7 (Vitamin K2 as Menaquinone-7) - 90mcg - 112% Natto Extract - 78mg* Nattokinase - 320 FU* * Daily Value not established. Other Ingredients: Evening Primrose Oil, beeswax, glycerol, gelatin and caramel. Usage:  Take 1 softgel daily, or as directed by your qualified health consultant. Warning: Do not use if under the age of 18, taking anticoagulant drugs (such as Warfarin) or other medications, or if at risk for any bleeding disorder (such as hemorrhagic disorders). Keep out of reach of children. How to Order To order online, click on the "Order" box below. To see a list of all supplements, please check our Index or use our Search feature. If you have any questions, please contact us at info@lifeextensionvitamins.com, 1-510-527-3005 or 1-888-771-3905. mk7$22.99 30: Softgels FREE AIR MAIL SHIPPING IN THE U.S.! The statements made here have not been evaluated by the FDA. The foregoing statements are based upon sound and reliable studies, and are meant for informational purposes. Consult with your medical practitioner to determine the underlying cause of your symptoms. Copyright 1997-2008 Life Extension Vitamin Supplies and Life Extension Institute, Inc. All rights reserved.