VSEPR_VOID - 9-7-2018 at 10:50
I just stumbled upon this site, used it for a few minutes, and then did a search of the form to see if any other user has posted about it.
https://hpd.nlm.nih.gov/index.htm
This database permits you to search by a chemical, finds products that contain said ingredient, and provides you with its percentage. By looking for
more information on that product you can also find out what other substances are in it.
Ubya - 9-7-2018 at 11:55
i don't think there's a website like this for my country :c
good for you americans 
brubei - 9-7-2018 at 13:30
Very nice
happyfooddance - 9-7-2018 at 13:36
It has been mentioned a few times here, for example
http://www.sciencemadness.org/talk/viewthread.php?tid=24143
VSEPR_VOID - 9-7-2018 at 20:39
This sounds like the sort of thing that deserves a sticky