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Not much at all.
3.3 microgrammes in 3 oz (85g) of pan fried beef liver.
That's 3.3 against a daily recommendation of about 85 microgrammes.
For people on Warfarin/Coumadin (or any other vitamin K antagonist anti-coagulant) its a pretty insignificant source.
Source: USDA
http://www.nal.usda.gov/fnic/foodcomp/Data/SR18/nutrlist/sr18w430.pdf
Download the pdf (Adobe Acrobat/Reader document) and search inside the document on your computer for the word 'liver'.
This version of the data is sorted by the amount of Vitamin K.
Warfarin patients should know about the things on the first couple of pages (the Vitamin K rich foods). Beef liver is low down on page 6. (Liver sausage is on page 10, chicken liver on page 19 - among the really insignificant stuff.
When looking at the data, be sure to look at the portion size.
3 oz of fried liver is reasonable.
And a whole cupful of boiled spinach is a rather massive portion.
However 4 spears of asparagus is only a tease, not a portion! And yet it provides 48 microgrammes - half a day's worth!
And one last point. With Warfarin, etc, patients should STABILISE NOT MINIMISE their vitamin K intake. An unstable INR is often due to too little (and thus too variable) vitamin K intake. Much better to take 100 ±20 microgrammes daily (20% variability) than to take 40 ±20 microgrammes (50% variability).
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∙ 15y ago
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Can you tell me about Vitamin K?
Vitamin K is important in allowing your blood to clot properly, and may promote bone health and help prevent osteoporosis. Dark leafy greens, seaweed, eggs, strawberries, and beef liver are all good sources of the vitamin.
What vitamin is good for blood to clot properly?
Vitamin K is responsible for the clotting of blood..
Foods rich in Vitamin K?
Dark green leafy vegetables are among the best food sources of vitamin K in the form of K1. Seaweed is packed with it, and beef liver, cauliflower, eggs, and strawberries are rich sources as well
What are the two things the liver stores?
The liver stores lots of things such as glucose in the form of glycogen, vitamin A, vitamin D, vitamin B12, vitamin K, iron, and copper.
Animal food source which is rich in vitamin K is?
liver
What organ synthesized vitamin k?
liver
Does vitamin K stimulate the liver to increase production of?
prothrombin
Where is vitamin k synthesized?
Type your answer here... VItamin k is required by the liver to synthesize proteins for blood clotting purposes you get vitamin k from leafy greens or an injection.
The fat-soluble vitamin that is responsible for synthesis of blood clotting factors by the liver is?
vitamin K
What organ produces vitamin d and k?
Vitamin B12, Vitamin D, and Vitamin K are all vitamins that the liver stores. If you were to take too much of Vitamin B12, it would be filtered through your liver (whole holding onto some), then through your kidneys to be urinated out.
Vitamin K stimulates liver cells to increase the synthesis of?
Calcium
How does vitamin k work?
All vitamin K ends up in the liver, where it's used to make some of the substances that make our blood clot.
