It is especially relevant for metabolic flexibility for a keto athlete who is using carbohydrates for fuel during training and racing. (ketoendurance.co)
Some diet plans suggest cutting carbohydrates in general, but this is not a good idea because your body needs carbohydrates for fuel. (getrippedathome.org)
And remember, because insulin levels are high, the body is dependent on carbohydrate for fuel, since stored fat can't be accessed. (ketogenic-diet-resource.com)