When we fast, Insulin levels fall, signaling the body to start burning stored energy as no more is coming through food. Blood glucose falls, so the body must now pull glucose out of storage to burn for energy.

In essence, intermittent fasting allows the body to use its sto...

Shorter fasts ( less than 24hrs):

• 16:8: eating only during an 8-hour window during the day and fasting for the remaining 16 hours.
• 20:4: 4-hour eating window and a 20-hour fast.

Longer fasts (longer th...

• Weight and body fat loss
• Lowered blood insulin and sugar levels
• Possibly reversal of type 2 diabetes
• Possibly improved mental clarity and concentration
• Possibly increased energy
• Possibly increased growth hormone, at least in the short term
...

...is the voluntary withholding of food for spiritual, health, or other reasons.

Food is easily available, but you choose not to eat it. This can be for any period of time, from a few hours up to a few days or – with medical supervision – even weeks on end.

It’s don...