Info sources: Complementary medicines

Last updated: February 17, 2020

See our problem solving page about this subject for more information.
Memorial Sloan Kettering – database of herbs. Click on herb name to see adverse effects, purported uses, interactions etc. (MedFacts Natural Products) – database of herbs and dietary supplements, including adverse effects, uses, and interactions.
Medline Plus – evaluations of herbs and dietary supplements including efficacy, side effects and interactions. 
Mayo Clinic – short summaries of 30 common herbs and dietary supplements including side effects and interactions. 
SPS website – has a few Q&As about the safety of selected products (use the search engine).