(Part 11 of 14 in series, John Briffa's "A Good Look at Good Health")
The concept of endurance athletes stocking up on carbs has, I think, fuelled the notion that we should ideally have some sort of fuel inside of us prior to exercise. However, as I explain here, there is an argument for avoiding spikes in blood sugar is seeking to maximise one’s capacity to utilise fat as a fuel during exercise. I think there’s an argument for consuming little or nothing before exercise unless, perhaps, exercise is to be very prolonged.
~ John Briffa
Sometimes people don’t believe me when, around 11am in the middle of some crazy physical activity, it comes up that I haven’t yet eaten anything. I usually ask them why they think they must eat every waking hour? Why is “breakfast the most important meal of the day”? Why do you eat what you generally eat? And then I ask them to consider looking into the notions they have about nutrition…