Vitamin K: Vitamin K is a fat-soluble vitamin which unlike many other vitamins not typically used as a dietary supplement. It is a group of components which includes vegetable obtained K1 and animals source obtained K2. It is also known as phylloquinone.
Recommended daily allowance of vitamin K
- 0-6 months -> 2micrograms/day
- 7-12 months -> 2.5micrograms/day
- 1-3 years -> 30micrograms/day
- 4-13 years -> 55-60micrograms/day
- 14-18 years -> 75micrograms/day
- 19+ years -> 90micrograms/day(women)
- 120micrograms/day(men).
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Sources of vitamin K
- Kale, spinach, swiss, chard, mustard, turnip, broccoli, Brussels sprouts, cabbage, asparagus, avocado, kiwi, grapes, parsley, soybean, strawberries.
- Egg, meat, cheese, liver, beans.
Importance of vitamin K
- It inhibits arterial calcification and stiffening.
- It can slow the growth of the tumor.
- It is a part of treatments for coumarin poisoning.
- It is used in monotherapy of osteoporosis.
- It activates the production of blood clotting proteins.
- Vitamin K related modification of the proteins allows them to bind calcium ions.
Deficiency syndrome of vitamin K
- Inflammatory bowel diseases.
- Liver damage.
- Coagulopathy.
- Anaemia.
- Bruising.
- Bleeding from gums and/or none.
- Heavy menstrual bleeding.
- Osteoporosis.
- Coronary heart disease.
- Aortic Calcification.
- Cystic fibrosis.
- Crohn’s disease.
- Hemodialysis.
Toxicity of vitamin K
- Kidney failure.
- Hypoglycemia in diabetic patients. Reduce bile secretion.
- Reduce bile secretion. Possible interaction with phenytoin, warfarin
- Possible interaction with phenytoin, warfarin
