Originally Posted by
memebag
Being in ketosis means you have elevated levels of ketones in your blood. That's what all of the "fat adapted" diets I can find on the internet are about. It's the same thing my mom was doing in the 1970s. It can lead to ketoacidosis.
That's not what I was referring to, FYI.
I am referring to doing what you can with your training to improve your body's ability to mobilize fat as a fuel source while exercising. The reason you'd do this is because you have enough stored fat to last way beyond your caloric needs for any normal cycling event (I'm not talking about super ultra events like RAAM). Whereas you have real limits in the amount of stored glycogen you have, it lasts just a few hours at intense levels of exercise.
If you're interested in reading more about it, here's a good link:
Joe Friel - Becoming a Better Fat Burner
Cheers.