Vitamin K ( Phylloquinone, menaquninone)

Functions:

• Essential for blood clotting function, helps incorporation of Ca into bones

Deficeincy:

• Prolonged bleeding, bruises, decreased Ca in bones

Recommended Requirement 

• 100 micro grams
• High intakes can cause liver damage

Sources:

• Grains, dark green vegetables, beef, liver, also produced by the bacteria in our gut