well, technically it is a binder and not a glue. methacellulose (likely butchering the spelling of that one) and pressure keep the stuff together.
MC is also in winny, which people both inject and take orally, so I wouldn't worry too much.
orally things can be far less sterile and the stomach/gastro tract are pretty resiliant.
but you don't absorb as much orally - I can't speak from experience, but from what I've read of what others have said, the oral route leads to fat loss, but not that great muscular gains.
I agree with Mike80 about taking the cranberry extract. Also, drink lots of water to be safe, but there is NO proof or study showing that Fina is toxic to your kidneys.
technically I think the cranberry extract has the effect of helping your bladder and preventing salts from sticking to the walls... but I can't find the reference now.
water water water seeing as you will have to pee all the time and it will be darker than usual if you don't push water.
I normally drink 2 gallons a day whether on anything or not - on fina I had to up to 3 gallons a day and I was still always thirsty.