"Shouldn't athletes stay away from a low CHO diet?"
Depends on the sport and the athlete. It also depends on how you define low CHO. Low CHO does not necessarily mean Keto
"I'm just skeptical about the metabolic advantage."
The magic metabolic advantage does not exist. This is something that promoters of low carb diets like to use as a selling point for their book, products or diets. The metabolic advantage is thoroughly disproved in Feedman et. al.
Popular Diets: A Scientific Review (cover this in depth in
Knowledge and Nonsense). Anthony Colpo also destroys this magic advantage in
They Are All Mad.
thanks
Coach Hale
www.maxcondition.com