yogurt alternatives

RussianMommy

I am allergic to vitamin C tablets, oranges, orange juice, and yogurt - they all make me have sinus issues similar to a cold. I would love to be able to have yogurt and granola, the thing is, I have no idea what ingredient in yogurt causes me to have a reaction to it. I can't be allergic to dairy because milk, ice cream, and cheese don't create any reactions. Does anyone know of any alternatives? the yogurt i was eating was the Dannon brand. would greek yogurt be better? any other suggestions would be helpful!