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This is usually made synthetically, and is used in animal feed. It was formerly given to premature infants, but due to inadvertent toxicity in the form of hemolytic anemia and jaundice, [failed verification] it is no longer used for this purpose. [1] K 3 is now known to be a circulating intermediate in the animal production of MK-4. [5]
Small amounts are provided by animal-sourced foods. Vitamin K 2 is primarily from animal-sourced foods, with poultry and eggs much better sources than beef, pork or fish. [7] One exception to the latter is nattÅ, which is made from bacteria-fermented soybeans. It is a rich food source of vitamin K 2 variant MK-7, made by the bacteria. [17]
The compound is variously known as vitamin K 3 [7] and provitamin K 3. [8] Proponents of the latter name generally argue that the compound is not a real vitamin due to its artificial status (prior to its identification as a circulating intermediate) and its lack of a 3-methyl side chain preventing it from exerting all the functions (specifically, it cannot act as a cofactor for GGCX in vitro ...
The global vitamin K2 market is expected to nearly double its current revenue in five years, spiking from $140 million this year to $265 million by 2029, according to a recent report from market ...
Potassium oxide (K 2 O) is an ionic compound of potassium and oxygen.It is a base.This pale yellow solid is the simplest oxide of potassium. It is a highly reactive compound that is rarely encountered.
MK-4 is the major form of Vitamin K in vertebrate animals, including humans and common forms of meat animals. It is produced via conversion of vitamin K 1 in the body, specifically in the testes, pancreas and arterial walls. [2]
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Phytomenadione, also known as vitamin K 1 or phylloquinone, is a vitamin found in food and used as a dietary supplement. [4] [5] It is on the World Health Organization's List of Essential Medicines.