Center for Medical Consumers
University of British Columbia Therapeutics Initiative
Public Citzen's worstpills.org
He offers these three as examples of sites where you can get unbiased information. They are a treasure. Take note. Bookmark them. You may need to pay for a subscription for some of the information - I believe it is worth the small cost to pay for the absence of commercial support. I should note, too, that these sites do not provide ALL the information about any subject. They are simply unbiased sources of medical information.