Typically, ketosis occurs within the first week of dietary restriction. As for others, it occurs within three to four days. Prior to consciously fasting, your dietary and fasting behaviors are crucial. After twelve hours, the body is designed to burn fat, and the rate of fat burning then accelerates. There are numerous advantages to intermittent fasting. Determining which moments work best for you will decide the extent of the benefits you receive. This process may initially feel unpleasant. When commencing a fast, many people experience weariness, mental fog, and a migraine. The effects of 16/8 intermittent fasting take time to manifest, but with persistence, the results are usually favorable.