"circadian rhythms can be found in every cell" - seems vague.
The info-nibble doesn't detail some of the downsides of IF - like how difficult it can be to practice it in social life (married? good luck telling your spouse you're not eating with them for months/years/ever). I did the 18-6 and 20-4 cycles and it worked. However, I gained back all the weight when I stopped due to my partner pleading daily for months to "eat like a normal person" again.