I'm trying to take this drug but the 'bridge' package I have from Verona seems to have a problem. I shake the vial but it doesn't turn yellow and has white clumps in it. I contacted them 3 weeks ago and have yet to get an answer. Is it safe to take it like this? I don't know so I'm not taking it. It's very expensive and it's discouraging to read that folks don't seem to do well at all on it.