The Best Fuel for High Altitude

I heard somewhere this weekend, possibly the GoPro Mountain Games episode of Boundless, that Carbohydrates are more efficient fuel for low oxygen (high altitude) activity. Being a fan of using fat as fuel, I had to see for myself.

If my math is correct, fat requires 13 times as much oxygen, making carbohydrates the more efficient fuel to burn at altitude. Fortunately for us closer to sea level, we have ample oxygen to burn fat for fuel.

Stay well engineered,

Devon

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