Since dietary supplements are treated more like food than drugs (in the US, anyway) but are used more like drugs than food, it's difficult to make informed decisions about their safety and efficacy.Here are a few websites that may be helpful to determine whether anyone should be spending their hard earned money on some of these supplements and may help sidestep some of the "snake oil" currently being touted as IBS cures. United States Pharmacopieal ConventionUSP helps to ensure that consumers receive quality medicines by establishing state-of-the-art standards that pharmaceutical manufacturers must meet. As the world's most highly recognized and technologically advanced pharmacopeia, USP provides standards for more than 3,800 medicines, dietary supplements, and other health care products. This site is free. Consumer Lab ConsumerLab.com, LLC ("CL") provides independent test results and information to help consumers and healthcare professionals evaluate health, wellness, and nutrition products. It publishes results of its tests online at www.consumerlab.com, including listings of brands that have passed testing. Products that pass CL's testing are eligible to bear the CL Seal of Approval. CL addresses a growing need of consumers and healthcare professionals for better information to guide the selection of health, wellness, and nutrition products. This site requires a paid subscription. Natural Medicine Database The staff created a brand new database and web site specifically for patients. This gives patients reliable information in patient-friendly wording based on Natural Medicines Comprehensive Database. The content of the patient-oriented web site is integrated into the professional Web site so health professionals who use www.NaturalDatabase.com instantly have access to all of the patient education info and can print them for a patient at any time. This site also requires a paid subscription. Good luck and be careful. Some supplements may help but others may do more harm than good.