Snake oil? Scientific evidence for health supplements
Only large, human, randomized placebo-controlled trials in our data scrape – wherever possible. No animal trials. No cell studies.
We looked at the abstracts of over 1500 studies on PubMed (run by US National Library Of Medicine) and Cochrane.org (which hosts meta-studies of scientific research). It took us several months to seek out the evidence – or lack of.
more detail on the method and image