I doubt the minute amount of alcohol cause your sensation. More likely an memory based anxiety reaction. Or, you may be allergic to an ingredient in the near beer. Much of a hang-over is an allergic reaction.

I see lots of negative comments online about Nortriptyline and trazedone combined and about using trazedone as a sleep aid.

What info are you looking for about the vitamin regimen ? None of it should be a concern except in very rare circumstances. I and many others would choose the nutritional approach before the side-effect laden drug approach.