Re: RC: Re: The Great Debate

[CMKSAGEHIL@aol.com]

In a message dated 12/19/99 2:39:06 PM Pacific Standard Time, Tivers@aol.com 
writes:

<< I'm talking about muscle uptake, not mitochondrial uptake. I believe that 
 VFAs behave the same way as other fats at the muscle membrane. Happy to be 
 wrong and be educated, though. >>

VFA's are "at large" in the circulation and have just as much opportunity to 
get into a well perfused muscle and into its cells as they do into any other 
cells in the body.  One aspect of fitness is better perfusion of muscle, so 
ALL substrates have a better opportunity of reaching the cellular 
level--carbs, VFA's, or anything else that will fit into the Krebs cycle.  
VFA's are relatively small molecules compared to other fatty chains.

Heidi


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