What Vitamin Improves Resistance To Allergies?

I think I’m suffering from allergies. I’d like to suplement my diet with some vitamins and/or minerals to help resist allergies.
Any suggestions would be helpful.

What Kind Of Vitamin Can I Use To Fight My Allergies To Strong Smells?

I have already been taking bee pollen for my outdoor allergies, but I am also mildly allergic to perfumes, gasoline, cleaning products, etc. My nose gets irritated when I breathe them. Is there a vitamin that can fight this specific problem?
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