Nutrition and Information Guide: Vitamin K

About the vitamin K, nutritional information guide, uses, effects of deficiency, good sources of vitamin K.

Vitamin K

Use in the Body: Prevents hemorrhaging, necessary for formation of prothrombin, which is necessary in blood-clotting.

Deficiency May Lead to: Increased tendency to hemorrhaging. Rare, but can result from malfunction of liver or bile duct.

Notes: Destroyed by mineral oil, alkali, alcohol, light, and rancidity. Foods should be stored in dark containers. Stable in relation to heat and cooking. Sulfa drugs and antibiotics interfere with its absorption.

Best Sources: Green leafy vegetables, alfalfa sprouts, fats, oats, wheat, rye.

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