i have a started several vitamins at once, Boswelllia , complex with celery seed , ginger, turmeric. thyroid complex with bladderwrack whole plant containing 600 mg of iodine, boshwanga, and bacopa herb. milk thistle, and beet. I have a rash on my back bilateral. it is patchy and started as a skin discoloration , I am thinking allergies, to these vitamins , but my question which one is the most likely.