What is Vitamin K deficiency ( Vitamin K )? | Vitamin K | K Vitamin

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What is Vitamin K deficiency ( Vitamin K )? | Vitamin K | K Vitamin

Vitamin K is important for normal blood clotting and may help to keep your bones strong as you age. Over the past 20 years, no vitamin family has undergone a greater change in terms of our scientific understanding of its chemistry and function. In the past, members of the vitamin K family have traditionally been referred to as vitamin K1, vitamin K2, and vitamin K3.It is important to note that people who are taking blood thinners should consult with their doctors or pharmacists about vitamin K supplementation because taking extra vitamin K can reduce the effectiveness of blood thinners alternative names are Vitamin K deficiency, Deficiency vitamin K.

vitamin k

Vitamin K did not appear to protect supplemented women from age-related increases in insulin resistance.While vitamin K deficiencies are rare in adults, they are very common in newborn infants. A single injection of vitamin K for newborns is standard. Vitamin K is also used to counteract an overdose of the blood thinner Coumadin.Most convincing is research showing protection from bone fractures that occurs when vitamin K is consumed in adequate amounts. Individuals who are vitamin K deficient have been clearly shown to have a greater risk of fracture.

Vitamin K is found in cabbage, cauliflower, spinach and other green leafy vegetables, cereals, soybeans, and other vegetables. Vitamin K is also made by the bacteria that line the gastrointestinal tract.
Side EffectsSome vegetable oils, notably soybean, contain vitamin K, but at levels that would require relatively large caloric consumption to meet the USDA recommended levels.It is believed that phylloquinone’s tight binding to the thylakoid membranes in the chloroplasts is the reason behind the poor bioavailability of vitamin K in green plants. For example, cooked spinach has a 4 percent bioavailability of phylloquinone.

K Vitamin


Vitamin K Adequate Intake (AI)
Life Stage  Age  Males (mcg/day) Females (mcg/day)
Infants  0-6 months  2.0  2.0 
Infants  7-12 months  2.5  2.5 
Children  1-3 years  30  30 
Children 4-8 years  55  55 
Children  9-13 years  60  60 
Adolescents  14-18 years  75  75 
Adults  19 years and older 120  90 
Pregnancy  18 years and younger  75 
Pregnancy 19 years and older 90 
Breast-feeding  18 years and younger  75 
Breast-feeding 19 years and older 90 

However when one adds butter to the spinach, the bioavailability increases to 13 percent due to the increased solubility of vitamin K in fat.Breastfed infants who have not received this injection at birth are especially susceptible to vitamin K deficiency because breast milk contains only small amounts of vitamin K. Hemorrhagic disease is more likely in infants who are breastfed or who have a disorder that impairs fat absorption or a liver disorder. Formulas for infants contain vitamin K.

Conversely, if you are susceptible to blood clotting, medication that interferes with the formation of these vitamin K dependent factors may be prescribed for you. If you are taking warfarin, you need to be particularly careful not to alter your intake of vitamin-K containing foods without close medical supervision.Vitamin K is found in dark green leafy vegetables, cabbage, cauliflower, broccoli, and soybeans. Vitamin K is also synthesized in your digestive tract by friendly bacteria.

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