Vitamin K info

Vitamin K can be produced in the intestines and this function is improved with the presence of cultured milk, like yogurt, in the diet, Vitamin K is classified as a fat-soluble vitamin.

Vitamin K info 

Vitamin K can be produced in the intestines and this function is improved with the presence of cultured milk, like yogurt, in the diet, Vitamin K is classified as a fat-soluble vitamin.

Vitamin K is found in nature in two forms – K1, also called phylloquinone, is found in plants and vitamin K2, also called menaquinone, which can be synthesized by many bacteria. Vitamin K3, menadione, is a synthetic form of this vitamin

required for

Vitamin K is used in the body to control blood clotting and is essential for synthesizing the liver protein that controls the clotting. It is involved in creating the important prothrombin, which is the precursor to thrombin – a very important factor in blood clotting. It is also involved in bone formation and repair. In the intestines it also assists in converting glucose to glycogen, this can then be stored in the liver. There are some indications that vitamin k may decreases the incidence or severity of osteoporosis and slow bone loss.

deficiency indications

A deficiency of this vitamin in newborn babies result in hemorrhagic disease, as well as postoperative bleeding and hematuria while muscle hematomas and inter-cranial hemorrhages have been reported.

A shortage of this vitamin may manifest itself in nosebleeds, internal hemorrhaging.

dosage

The dosage underneath is the Recommended Dietary Allowance (RDA), but be aware that that this dosage is the minimum that you require per day, to ward of serious deficiency of this particular nutrient. In the therapeutic use of this nutrient, the dosage is usually increased considerably, but the toxicity level must be kept in mind.

Males 80 micrograms per day and females 70 micrograms per day.

toxicity & symptoms of high intake

Toxicity does not easily occur with normal dietary uptake of this vitamin, but can happen if synthetic compound vitamin K 3 is taken. High to toxic uptake in the synthetic form can cause flushing and sweating. Jaundice and anemia may also develop.

If you are taking anti-coagulant (to prevent blood clotting) medication, consult your medical practitioner before taking a vitamin k supplement.

best used with

Dietary fat is necessary for the absorption of this vitamin.

extra needed when and if

This nutrient can be destroyed by freezing and radiation as well as air pollution. Absorption may be decreased when rancid fats are present, as well as excessive refined sugar, antibiotics, high dosages of vitamin e, or calcium and mineral oils.

enemy of nutrient

When you are prone to bruising easily, or when pregnant you might be in need of more vitamin k. But be careful not to take too much vitamin k in the last stages of your pregnancy, since it could be toxic for the baby.

other interesting points

Some people are of the opinion that it also promotes longevity.

food sources

Vitamin K is found in leafy vegetables, cheese and liver. It is also found in asparagus, coffee, bacon and green tea.

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