It's not that hard. If you're going to do three days you might as well do a little longer. It takes around three days to switch to ketosis, after which hunger d

It's not that hard. If you're going to do three days you might as well do a little longer. It takes around three days to switch to ketosis, after which hunger disappears. I did a week with just a sense of determination and knowledge of what to expect, and my relationship with food improved immensely.