ADHD and L Theanine: Benefits, Risks, and What Research Shows Amazon.com: VALI Caffeine 50mg & L Theanine 100mg Caffeine Pills & L Theanine for Smart Smooth Energy & Focus Supplement. Nootropic Brain Booster Cognitive Support Stack & Focused Clarity. 120 Veggie Capsules : 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 L Carnitine, 500 mg, 30 Vegetarian Capsules found out l theanine + caffeine works wonders for my adhd anyone else found some supplements that work well for em? : r AutisticWithADHD