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 ★★★★★ 4.2 (241 reviews) Sold : Login>>
Effects of l-theanine–caffeine combination on sustained attention and inhibitory control among children with ADHD: a proof-of-concept neuroimaging RCT US$ 20.99 Min. order: 1 piece ★★★★★ 5.0 (212 reviews) Sold : Login>>
l-theanine: From tea leaf to trending supplement – does the science match the hype for brain health and relaxation? US$ 22.34 Min. order: 1 piece ★★★★★ 4.2 (108 reviews) Sold : Login>>
Doctor's Best Acetyl-L-Carnitine US$ 24.48 Min. order: 1 piece ★★★★★ 4.9 (189 reviews) Sold : Login>>