davekm Posted September 13, 2012 Report Posted September 13, 2012 This study indicates that GABAa lowers testosterone. Wikipedia says theanine is a GABAa agonist. http://endo.endojournals.org/content/145/2/495.abstract Quote
davekm Posted September 13, 2012 Author Report Posted September 13, 2012 (edited) Also, theanine lowers beta waves and increases alpha. Is this bad? Beta waves are associated with thinking, logic and critical reasoning Here is one of a few studies on the topic. http://www.ncbi.nlm.nih.gov/pubmed/18296328 Edited September 13, 2012 by davekm Quote
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