Nuts are not the ideal food for the 4 hour diet given their high number of calories. However, they can be better than the alternative if you’re stuck without any other options.
Personally, I eat a handful of peanuts and cashews a few days a week at work when I get really desperate for a snack or if I have to skip lunch due to a busy schedule. This hasn’t seemed to cause any issues with getting good results.
I am very deliberate about only allowing myself a small portion though.
If you’re eating nuts on the 4 hour diet please comment to let us know how it’s worked out for you.