Maximum fat oxidation (Fat Max) occurs at a lower power output than the point where lactate reaches 2 millimolar (LT2) in moderately fit and professional athletes.

“fat Max so fat Max Ox right so maximum fat oxidation is occurring earlier than lactate is two and that's true for all of them except for the Met sin person because it's it's so low but if you if you look if you look at the moderately fit person they're hitting maximum fat oxidation about 130 Watts but they're hitting lactate of two at 175 watts in the upper figure and the uh professional athlete is hitting an absolute um fat oxidation Maxima at a little shy of 250 Watts but they're hitting lacta of 2 closer to 300 watts”