So essentially if you eat high levels of carbs, the body must release a ton of insulin to compensate for this. (lowcarbalpha.com)
This is especially useful in those with high levels of carb sensitivity, who have a hard time reaching high levels of ketones in their urine. (onketosis.com)
But I am wondering if that is wise since you said that one needs high levels of carbs to sustain a intense cardio like this. (marksdailyapple.com)