Yes intermittent fasting is good for bodybuilding.
Several body builders do intermittent fasting which helps them lose weight while building muscle and toning there bodies.
During intermittent fasting for bodybuilding you should also drink some protein shakes with some milk as protein is also an important thing in your diet that is needed when bodybuilding.
If you don't drink the protein shake while intermittent fasting you won't be able to build up muscle so drinking the protein shake along with intermittent fasting is very important to bodybuilding.