Peter Attia· MD
again for most people that second lactate threshold or really third one depending on how you're counting them um occurs somewhere between four and five mill of lactate.
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The headline is broadly defensible, but the qualifications matter. Effect sizes vary by population, the strongest claims rest on shorter trials, and credible voices push back on how it's typically framed.
again for most people that second lactate threshold or really third one depending on how you're counting them um occurs somewhere between four and five mill of lactate.
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these higher levels of output, glycolytic lactate production in the working muscles completely s um surpasses the body's ability to clear it. At this point, blood lactate starts to rise much more sharply. Um it accompanies um it's accompanied by hydrogen ion, right? Because the the lactate um is is negatively charged. The hydrogen is positively charged. So they're balanced kind of one to one. Um you have this acidity that occurs.
But now we get to a third level um of lactate which is really called the second lactate threshold and that's at higher and higher levels. And at this point once the body gets above that level um and this level varies quite a bit by individual um I'm not going to maybe maybe if we have time I'll go into how you can measure that. I I talked about this at length in the first podcast with um um with um uh Olaf Alexander Buu. Um but um but we can come back to that. But but anyway, these higher levels of output, glycolytic lactate production in the working muscles completely s um surpasses the body's ability to clear it. At this point, blood lactate starts to rise much more sharply. Um it accompanies um it's accompanied by hydrogen ion, right? Because the the lactate um is is negatively charged. The hydrogen is positively charged. So they're balanced kind of one to one.