Skywalker, don't feel bad if the NSD doesn't help you. Many people have found that it really helps them, but many have tried it and not been able to see any improvement at all.
We all have to try to find out what works for us. We are all different and our response to different meds/diets and situations are different.
As has been posted before, the side effect are extremely rare, the drug companies are required to list everything that can happen, no matter how rare they are.