A simple guide for assessing too-good-to-be-true health product or treatment claims
Courtesy of Sci-ence.org, here are their “red flags of quackery, version 2.0”
I think it’s a quite useful pocket guide. In their words:
If you come upon a treatment or product that seems to good to be true, consult this handy guide to finding pseudoscience, scams, and quack medicine. Remember, it only takes one match to be considered suspect!