Vitamin K{1} is an important dietary source found in green plants, algae and photosynthetic bacteria. It is used as a vitamin (prothrombogenic) and veterinary antidote for dicoumarol poisoning. It is an essential vitamin for the synthesis of coagulation factors II, VII, IX, and X in the liver.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.