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 ★★★★★ 4.3 (124 reviews) Sold : Login>>
L-Theanine, 100 mg, 60 vegetarian capsules US$ 28.92 Min. order: 1 piece ★★★★★ 4.1 (288 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$ 29.25 Min. order: 1 piece ★★★★★ 5.0 (105 reviews) Sold : Login>>
FocusNeeds® Scientific Ingredients US$ 26.24 Min. order: 1 piece ★★★★★ 4.3 (169 reviews) Sold : Login>>
Amazon.com: Best Naturals L-Carnitine 1000mg 60 Tablets (60 Count (Pack of 1)) : Health & Household US$ 20.80 Min. order: 1 piece ★★★★★ 4.5 (42 reviews) Sold : Login>>
10 Best L-Carnitine Supplements (NaturaLife Labs, NOW Foods, and More) US$ 25.08 Min. order: 1 piece ★★★★★ 4.1 (49 reviews) Sold : Login>>