Effects of acute caffeine, theanine and tyrosine supplementation on mental and physical performance in athletes.
Javier ZaragozaGrant TinsleyStacie UrbinaKatelyn VillaEmily SantosAngelie JuanezaMatthias TinninCory DavidsonSusan MitmesserZhiying ZhangLemuel W TaylorPublished in: Journal of the International Society of Sports Nutrition (2019)
NCT03019523. Registered 24 January 2017.