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Effects of l-theanine–caffeine combination on sustained attention and inhibitory control among children with ADHD: a proof-of-concept neuroimaging RCT US$ 29.25 Min. order: 1 piece ★★★★★ 4.7 (88 reviews) Sold : Login>>
Better sleep, calmer mind, sharper focus… can L-theanine really deliver it all? L-theanine appears to promote relaxation without sedation, and in some contexts, may also improve aspects of cognitive performance. Unlike many US$ 27.74 Min. order: 1 piece ★★★★★ 4.1 (171 reviews) Sold : Login>>