Vitamin K | 20mcg | 25%DV

Info: L-arginine Plus ® contains 20mcg per serving of Vitamin K1, also known as phylloquinone, phytomenadione, or phytonadione. Vitamin K1 synthesized by plants, and is found in highest amounts in green leafy vegetables because it is directly involved in photosynthesis. It may be thought of as the "plant" form of vitamin K. It is active as a vitamin in animals and performs the classic functions of vitamin K, including its activity in the production of blood-clotting proteins.

Side effects/Cautions: Side effects of oral vitamin K at recommended doses are rare. It can interfere with blood thinners like Coumadin