The Short Answer

“The best window is the one that works best for you and to work for you, the schedule has to be effective, flexible and sustainable.”

I couldn’t agree more. AND I cannot stress enough the importance of doing research prior to beginning intermittent fasting.  Here is a great post from Bert Herring’s blog (author of AC: The Power of Appetite Correction and The Fast-5 Diet and the Fast-5 Lifestyle).  I like how he breaks down the number of fasting hours based on your window of food consumption.

How to Choose the Best Intermittent Fasting Regimen

Some of my previous post relate my fasting experiences and inferences I make regarding the impact of following a LCHF (low carb high fat)/Ketogenic lifestyle on fasting and fasting “side effects”.