Is aloe vera poisonous? I looked for similar questions but none of them referred to humans...

I looked for similar questions but none of them referred to humans so i'm asking again.
My mum have this crazy idea for making aloe vera into those aloe vera drinks. It might work but is it poisonous (raw i mean)
i don't really grain like drinking anything poisonous.
Thanks!
Answers:    Yes it can be used surrounded by drinks.

http://en.wikipedia.org/wiki/Aloe_vera
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"Warnings

Don't confuse aloe vera beside the bitter yellow aloe latex, which is sold as a laxative and can raison d`¨ētre severe cramping and diarrhea. Pregnant or breast-feeding women in picky should avoid aloe latex.
Overuse or misuse of aloe vera juice can do loss of potassium (necessary for proper heart function), and may lead to toxicity when taken beside the heart/blood pressure drugs digitoxin and digoxin or steroids such as beclomethasone, methylprednisolone, and prednisone. It also may intensify the potassium-depleting effects of diuretics such as chlorothiazide, hydrocholorothiazide, and indapamide.
Reminder: If you have a medical condition, converse to your doctor before taking supplements. "
http://www.rd.com/1501/article.html
in truth i think some parts of it are poisonous but I've hear about aloe vera drinks since they're meant to be honest for you. heh IDK.