Uhhhh.. I dunno, I have symptoms all the time... if I eat something very wrong, I notice that I have terrible gas - which is the yeasties way of telling me they had a party at my expense. I have Chronic Fatigue Syndrome too... so basically most of the time I feel like someone's warmed over karma.
I do take a multivitamin. Ortho Molecular "Alpha Base" prescribed by one of my endless streams of doctors. It's clean of everything. You can find it online. It's important to realize that you're also giving vitamins to the yeasties too though. So a good anti-fungal program needs to be included too.