In Peer Reviewed Scientific Journal conclusions regarding VigRX Plus clinical studies and results was summed up as well-tolerated and effective in improving erectile function in men and official confirmation of the human beneficial effect in a broader ED (Erectile Dysfunction) population is now recommended. Reference study information for this VigRX clinical study - doi:10.1186/1472-6882-12-155 Cite this article as: Shah et al.: Evaluation of a multi-herb supplement for erectile dysfunction: a randomized double-blind, placebo-controlled study. BMC Complementary and Alternative Medicine 2012 12:155 please see "http://bmccomplementalternmed. biomedcentral.com/articles/10.1186/1472-6882-12-155"