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► THIS VIDEO is about Vitamin K. In the video, the speaker will list all of the fat soluble vitamines. They will Identify the functions and dietary sources of vitamin K, and describe the functions of phylloquinone (vitamin K1) and menaquinone (vitamin K2). After watching the video you will be able to state the role of gut bacteria in vitamin K metabolism, name the synthetic forms of vitamin K, and explain how vitamin K causes carboxylation of proteins. The video will also explain the recycling of vitamin K and name the drug that inhibits this reaction, as well as discuss the use and complications of warfarin.

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► THE PROF:
Dr. Kevin Ahern is a Professor in the Department of Biochemistry and Biophysics at Oregon State University (OSU), USA.
He obtained his PhD in Biochemistry from Oregon State University. Currently, he teaches courses for health sciences students at OSU.
He is co-author of three Open Educational electronic textbooks on Biochemistry and a Guide to Getting Into Medical School.
Due to his achievements, he earned OSU’s highest teaching recognition, the Elizabeth P. Ritchie Distinguished Professor Award in 2017.

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CHAPTERS:
00:00 Fat Soluble Vitamins
00:20 Vitamin K Function and Dietary Sources
01:25 Phylloquinone (Vitamin K1)
02:24 Menaquinone (Vitamin K2)
03:10 Vitamin K Metabolism
03:53 Synthetic forms of Vitamin K
04:19 Vitamin K and the Carboxylation of Proteins
06:23 Vitamin K Recycling
08:44 Vitamin K and Bone Health