Q10 Vitamin?

[Katherine Tsaioun]

Ubiquinone (Q10) is a coenzyme in electrone shuttle operations in the 
mitochondria, you are right. And you are right again: it is synthesized 
in the body. In fact, its name comes from the discovery that Q10 is 
ubiquitous in the system. Hence, by definition, it is NOT an essential 
nutrient, or vitamin for humans. People who are trying to prove that it 
is a vitamin are wrong (I will not go into my suppositions as to their 
reasons and motivations...).

Katherine Tsaioun

USDA Human Nutrition Research Center on Aging 
at Tufts University

docclipper at aol.com (DocCLIPPER) wrote:
>I have been doing alot of reading on the subject and now I am confused.  
>Is Q10 Ubiquinone synthesuzed by the body or is an essential nutrient.  I
>had thought that it was coded on mitichondrial DNA and synthesized for the
>mitochondrial electron transport system.  Now some people write that an
>intake of Q10 is essential.  Who know out there?