I bought some multivitamins today, was reading the ingredient list and there's three things I'm not sure about on there - acacia, mannitol, and tocopherol. For acacia, all google got me was that it's an ingredient in Junel and Loestrin 1.5/30 and that in ancient times women mixed it with dates and honey and inserted it for use a spermicide. Mannitol and tocopherol had even less useful results.
I have a Mirena IUD. Could taking a multivitamin containing these things cause any sort of reduction in the Mirena's effectiveness?