Well, I found the...
User hatepoorpeople, in the Supplements subreddit,
Well, I found the study. http://www.ncbi.nlm.nih.gov/pubmed/23601452
Fulltext:...
User AhmedF, in the Advanced Fitness subreddit,
Fulltext: http://www.jissn.com/content/pdf/1550-2783-10-22.pdf