Does a Low-Carb High-Fat Diet Impair Performance of High-Level Endurance Athletes?

…Dr. Jeff Volek would probably say no. On the other hand, personal  trainer Alan Aragon says yes.  Read about their recent debate at Alan’s blog, they you decide.

Here’s and excerpt from an invited editorial at Journal of Applied Physiology:

“…it seems that we are near to closing the door on one application of this dietary protocol [high-fat, low-carb eating (aka “fat adaptation”) for optimal sports performance]. Scientists may remain interested in the body’s response to different dietary stimuli and may hunt for the mechanisms that underpin the observed changes in metabolism and function. However, those at the coal-face of sports nutrition can delete fat loading and high-fat diets from their list of genuine ergogenic aids for conventional endurance and ultra-endurance sports.”


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