When I first started on RVAF diets and reading online RVAF diet groups, I noticed, gradually, that the people reporting the most frequent, violent "detoxes" were ones who were consuming lots of raw dairy. I eventually realised that these were not genuine detoxes, and cut out all raw dairy from my diet, and my health improved quickly after that.
Basically, a genuine detox should (usually but not always) be minor or moderate in effect, and one should feel slightly better afterwards than before. In my own case, I felt fine mostly on RVAF diets, except for my raw-dairy-phase. I did have one detox in the first 2-3 days of going RVAF, which resulted in me having to go to the toilet every 30 minutes or so, and had green diarrhea. After that, I had minor flu-like symptoms once every 2 to 4 months, lasting from 2 to 7 days, until these health-detoxes finished after 2 years. I know they were genuine since I always felt a little better afterwards.
I still sometimes get a minor detox after the occasional eating of cooked foods, if I don't also eat some raw food around the same time, but, in that case, it's just the body getting rid of toxins from that cooked meal.