I wouldn’t purchase a single thing. Not saying they WILL do this to food or drink but why take a chance?
http://www.islam-watch.org/AyeshaAhmed/Poisoning-Infidels-with-Feces.htm
This looks like a good place to put a video of muslims drinking camel urine.
https://www.youtube.com/watch?v=JKeSrq7t6Ak