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Carbohydrates Part 1: Classification and Digestion

On my Facebook group, someone mentioned that something about the GI of cooked versus raw carrots was moving through the fitness community (something like that) and that stimulated me to write this article series.  In it I want to ultimately look at the concepts of the Glycemic Index (GI) and Glycemic Load (GL) but today I need to give a quick primer on carbohydrates which I have done before so the next bits will make sense.… Read More

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Mixed Brain Fuel – Q&A

Question: On a ketogenic diet, how rapidly does the brain flip between glucose and ketones for fuel? Can it use both fuel sources simultaneously?

Answer: The above question sort of encompasses a few different potential things and I’m not 100% sure which you’re asking so I’ll just cover them all.  First realize that one fuel that the brain cannot use is fatty acids, at least not directly. … Read More