if you use any corporate search engine, you'll get only big pharma sponsored results. if you try any of the remaining actual search engines (at this point i regard google and cousins as little more than propaganda servies), you'll get much more useful results. wiki is as bad as google. i have never seen a better example of the corporate takeover of search engines as this search:

https://yandex.com/search/?text=mms+chlorine
https://www.google.com/search?q=mms+chlorine