It is important to remember that you don’t have to stay in ketosis, fast, or exercise intensely all the time and every day to get the benefits of autophagy. Just a few hours here and there occasionally can also help.
In case you choose to fast, drink plenty of water to remain hydrated.
During an extended fast, make sure you do not deprive your body of the primary electrolytes like sodium, magnesium, calcium, and potassium. These are essential to stay alert and healthy. If you are not eating food, then taking supplements (consult your doctor for what all to take and how much) are necessary, or you could feel dizzy and get headaches.
The safest way to begin a fast for autophagy is to start small, especially if you’ve never fasted before.
Also, fasting, in general, is not recommended for children, and people with diabetes or for pregnant women. Autophagy is still a subject under research and study, and at present there is no guarantee that it could prevent or cure cancer or slow-down aging.