Vitamin K: Phytonadione
CLASS: 
Fat soluble vitamin
ROLE:Blood coagulation
SOURCES: Many foods
RECOMMENDED DAILY INTAKE (RDI): N/A
DEFICIENCY STATE: Extremely uncommon
OVERDOSE STATE: Increased liver bilirubin productionImpaired liver production of clotting factorsHaemolytic anaemia
RISKS: Deficiency very uncommon
DIAGNOSIS: Blood tests
OTHER NUTRIENT INTERACTIONS: N/A