Lamberts® Vitamin K Complex Combines 45µg Of K2 And 30µg Of K1, Both In Their Natural Form To Provide You With A Full 75µg Per Tablet, To Provide 100% Of The Recommended Daily Allowance (Rda). Vitamin K Is The Umbrella Term For A Group Of Fat-Soluble Compounds Comprising Vitamin K1 And Vitamin K2. Vitamin K, Is Obtained In The Diet From Green Leaves, Broccoli, Brussel Sprouts And Plant Oils Like Rapeseed And Olive Oils, And Makes Up 90% Of Our K Intake. Vitamin K2 (A Family Of Menaquinones) Is Produced In Smaller Quantities By The Friendly Bacteria In The Digestive Tract. Vitamin K Contributes To The Maintenance Of Normal Bones And Contributes To Normal Blood Clotting And Research Indicates That It Is Important To Have A Regular Intake Of Both Vitamin K1 And K2