The Lactate Shadow Hypothesis Is Not a Hypothesis

Lactate is shuttled from the fast twitch producing lactate fibers to the receiving lactate where it's not used for fuel. So you're wearing those twitch muscle fibers in mitochondria. Athletes who have been training zone two a lot and then increases a lot of lactate cleanse capacity and fat oxidation therefore mitochondria function has increased. All our athletes who haven't done that, you see small improvements or maybe even improve.

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