Now, we'll go into why exactly this diet works so well.
Back in the original link to the diet guidelines, Adam states that:
The idea is that you'll keep insulin levels low all day long (high insulin inhibits fat loss and promotes fat storage) except during your workout, when you'll use insulin to decrease protein breakdown. You'll also eat protein at the same time, to enhance protein synthesis. Plus, by eating before and during your workout, you can workout as intensely as you desire. So it's the best of both worlds: faster fat loss with more energy. In addition one problem with a pure fat loss ketogenic diet is that although you preserve muscle, you can look "flat" because of the reduced glycogen stores. This plan keeps your muscles looking full and feeling big.
I can attest to his statement about other low carb diets. I hated them because I just always seem to feel so flat. Never have had that feeling with this diet.
All day your body is burning fat for whatever you need for energy. But, when you eat a food that increases your insulin, that natural fat burning process slows down, until your insulin level is back down to normal. If you're eating these high spiking insulin foods all day long, it means your body's fat burning system is not being used very much.
So, you eliminate the foods that spike your insulin except for the time period around your workouts. The reason being is that around the workout, you WANT to have a spike in insulin to get that protein and other nutrients to your muscles to start the muscle building/repairing process. Don't be afraid of this time period though and think "but I don't want to stop burning fat." It's a better payoff during this time period because you're building and repairing muscle which over the course of 24-48 hours, is going to result in burning MORE body fat because of the metabolic disturbance that you've created.
Finally, if you decide to try this diet out, give it a few months and let me know how you like it and what your results are. If you ever have any questions, please don't hesitate to e-mail me at mike@leanbodyfitness.com
Good Luck!
http://www.leanbodyfitness.com/

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