Peter Attia· MD
and the higher that number then I think we can say more comfortably the more mitochondrial efficiency you have the healthier you are
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The evidence is convergent. Multiple independent sources reach the same conclusion, the underlying mechanism is well-characterized, and even the field's most cautious voices treat it as worth doing.
and the higher that number then I think we can say more comfortably the more mitochondrial efficiency you have the healthier you are
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And what we immediately clicked over was your protocol for zone two training, which you were instituting heavily with the UAE team and other folks that you were training there. And And the rest is history. I mean, it's really completely shaped the way I think about using this type of training as a way to improve mitochondrial function and as a way to test it.
the more time you dip out of zone two the more counterproductive it is because by definition when you're in zone three four five you're producing far more lactate than your body can clear and therefore um you're taking the mitochondria out of that sweet spot
you put much more effort into sort of zone two where you're right at lactate of two so you push him and by the way for him that would be like if you looked i remember looking in the paper and applied physiology i mean you know he's spending a lot of time in the three to four hundred watt range but he could have probably been in the sort of 300 to about the 300 watt range where he's still just under 2 millimole of lactate but he's dramatically increasing mitochondrial efficiency
i try i shoot for four or five but it'll not have all the time it's easy uh but yeah i should for five minutes try to be strict on that
and figuring out and demonstrating that you can generate more and more work at that level whether it be wattage or speed or whatever your metric you're using that becomes also just an enormous you know um way to track your progress
lactate is a great fuel to cells it's in fact it's probably the preferred fuel for the cell cells for most cells in the body this is a work that my colleague and mentor and friend George Brooks discovered right
when we talk about zone two we are not talking about the same zone two that shows up on your Polar heart rate or your Apple watch or whatever other device you're talking about we're talking about um a very specific mitochondrial level of zone two and it's it's it's referring to an um the highest level of work that you can do while keeping lactate at effectively in indefinite steady state which for most people tends to be below 2 Millo