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The possible role of l-ARG as an effective alternative for vasculogenic ED therefore relies on different points

Only L-theanine, alpha-GPC, and taurine appeared as compounds of supplements in the offerings of online stores associated with brain doping

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Zinc Switching gears from vitamins to minerals, lets consider zinc

Previous studies have shown that supplementation with caffeine (38), the combination of caffeine and taurine (34), caffeine and L-theanine (39), tyrosine (40), and mango leaves extract (41) can improve the RT in different cognitive and computerized tests

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