Vitamin Ok Overview

Vitamin Ok performs a key function in serving to the blood clot, stopping extreme bleeding. Unlike many different nutritional vitamins, vitamin Ok isn’t sometimes used as a dietary complement.

Vitamin Ok is definitely a bunch of compounds. The most vital of those compounds seems to be vitamin K1 and vitamin K2. Vitamin K1 is obtained from leafy greens and another greens. Vitamin K2 is a bunch of compounds largely obtained from meats, cheeses, and eggs, and synthesized by micro organism.

Vitamin K1 is the principle type of vitamin Ok complement accessible within the U.S.

Recently, some folks have regarded to vitamin K2 to deal with osteoporosis and steroid-induced bone loss, however the analysis is conflicting. At this level there’s not sufficient information to suggest utilizing vitamin K2 for osteoporosis.

Vitamin Ok is named the clotting vitamin, as a result of with out it blood wouldn’t clot. Some research counsel that it helps preserve sturdy bones within the aged.

Food Sources of Vitamin Ok

The greatest strategy to get the day by day requirement of vitamin Ok is by consuming meals sources. Vitamin Ok is discovered within the following meals:

  • Green leafy greens, reminiscent of kale, spinach, turnip greens, collards, Swiss chard, mustard greens, parsley, romaine, and inexperienced leaf lettuce
  • Vegetables reminiscent of Brussels sprouts, broccoli, cauliflower, and cabbage
  • Fish, liver, meat, eggs, and cereals (comprise smaller quantities)

Vitamin Ok can be made by the micro organism within the decrease intestinal tract.

How a lot vitamin Ok do I would like?

Adults want roughly 0.001mg a day of vitamin Ok for every kilogram of their physique weight.

For instance, somebody who weighs 65kg would wish 0.065mg a day of vitamin Ok, whereas an individual who weighs 75kg would wish 0.075mg a day.

You ought to have the ability to get all of the vitamin Ok you want by consuming a different and balanced food plan.

Any vitamin Ok your physique would not want instantly is saved within the liver for future use, so you do not want it in your food plan day-after-day.

Why do folks take vitamin Ok?

Low ranges of vitamin Ok can elevate the danger of uncontrolled bleeding. While vitamin Ok deficiencies are uncommon in adults, they’re quite common in new child infants. A single injection of vitamin Ok for newborns is normal. Vitamin Ok can be used to counteract an overdose of the blood thinner Coumadin.

While vitamin Ok deficiencies are unusual, you might be at larger threat should you:

  • Have a illness that impacts absorption within the digestive tract, reminiscent of Crohn’s illness or energetic celiac illness
  • Take medication that intrude with vitamin Ok absorption
  • Are severely malnourished
  • Drink alcohol closely

In these circumstances, a well being care supplier may counsel vitamin Ok dietary supplements.

Uses of vitamin Ok for most cancers, for the signs of morning illness, for the removing of spider veins, and for different circumstances are unproven.

Side Effects – Vitamin Ok deficiency

Vitamin Ok deficiency could be very uncommon. It happens when the physique cannot correctly take in the vitamin from the intestinal tract. Vitamin Ok deficiency may happen after long-term remedy with antibiotics.

People with vitamin Ok deficiency are sometimes extra prone to have bruising and bleeding.

If you are taking blood thinning medication (reminiscent of anticoagulant/antiplatelet medication), you might have to restrict vitamin Ok meals. You might also have to eat a constant quantity of vitamin Ok containing meals on a each day foundation should you devour these meals. You ought to know that vitamin Ok or meals containing vitamin Ok can have an effect on how these medication work.

It is vital so that you can hold vitamin Ok ranges in your blood about the identical from each day. Ask your well being care supplier how a lot vitamin Ok-containing meals you need to eat.

What occurs if I take an excessive amount of Vitamin Ok?

There’s not sufficient proof to know what the consequences is perhaps of taking excessive doses of vitamin Ok dietary supplements every day.

Recommendations for Taking Vitamin Ok

The Recommended Dietary Allowance (RDA) for nutritional vitamins displays how a lot of every vitamin most individuals ought to get every day.

  • The RDA for nutritional vitamins could also be used as targets for every individual.
  • How a lot of every vitamin you want depends upon your age and gender.
  • Other components, reminiscent of being pregnant, breast-feeding, and sickness might enhance the quantity you want.

The Food and Nutrition Board on the Institute of Medicine Recommended Intakes for Individuals – Adequate Intakes (AIs) for vitamin Ok:


  • Zero to six months: 2.Zero micrograms per day (mcg/day)
  • 7 to 12 months: 2.5 mcg/day


  • 1 to three years: 30 mcg/day
  • four to eight years: 55 mcg/day
  • 9 to 13 years: 60 mcg/day

Adolescents and Adults

  • Males and females age 14 to 18: 75 mcg/day
  • Males and females age 19 and older: 90 mcg/day for females (together with those that are pregnant and lactating) and 120 mcg/day for males