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vitamin K2

American  

noun

  1. a light-yellow, crystalline solid, C 41 H 56 O 2 , having properties similar to those of vitamin K 1 .

vitamin K2 British  

noun

  1. another name for menaquinone

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
vitamin K2 Scientific  

  1. A form of vitamin K that is synthesized by bacteria in the intestine and is also found in fish and other foods. Also called menaquinone. Chemical formula: C 41 H 56 O 2 .

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Yesterday I took a 5,000 IU dose with vitamin K2.

From Seattle Times • Jan. 19, 2022

For years now research has shown the necessity for the addition of vitamin K2 to any regimen involving the addition of vitamin D to the diet.

From New York Times • Dec. 28, 2017

Please, will somebody simply "Google" vitamin K2 and D3?

From New York Times • Dec. 28, 2017

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.