hi el...for the multivitamin i just use a generic vitamin mineral combo from walmart..called equate multivitamin/mineral for men i see it has some selenium in it 100mcg..some lycopene, a little zinc and other minerals, some calcium...and the rest ..the B's, A , C etc....not too special...but it might fill any gaps in diet (if i am eating well, i often skip it)
plus i take the 4000iu of D, 2000mg of glucosamine sulphate, ibu, b12,..no grains, low sugar, (i use aspertame),more salads, daily yogurt, some peppermint and (recently)a majority of calories from fats (meat,fish) and low carbs, exercise ...and always, quite a bit of coffee and green tea....seems to be working well considering the time of year..
so for me, its getting the psoriasis specific tcell and helper tcell counts lower with sun (others might use light), then try to keep them low and controlled (fall winter)by maintaining an anti inflammatory lifestyle which includes some vitamins etc, diet changes, and dealing with any inflammation..teeth and gums, gi tract, infection etc....Although i think especially with psoriasis, getting any inflammation under control can help with most health issues...as aging and inflammation are almost synonymous
its kind of like juggling..but it works for me.