{"version":"1.0","type":"card","id":"db093fb6-e495-435f-9a19-0e26e218da56","url":"https://stacklist.com/card/db093fb6-e495-435f-9a19-0e26e218da56","title":"Discover l-theanine and caffeine for sharper focus","source_url":"https://integrativepsychiatryofamerica.com/l-theanine-and-caffeine/","note":"Explore how l-theanine and caffeine work together to boost focus and ease anxiety for steady mental performance in 2026.","image":{"url":"https://ucarecdn.com/f77492fd-2743-462f-9c18-40b4d66f3a0a/","alt":"Discover l-theanine and caffeine for sharper focus","width":1344,"height":768},"stack":{"id":"f10c6385-3fee-41ef-ae2d-bf52c42346a4","title":"Caffeine and L-Theanine: The Science","url":"https://stacklist.com/c/wellness/stack/f10c6385-3fee-41ef-ae2d-bf52c42346a4"},"created_at":"2026-08-30T18:38:52.379Z","updated_at":null,"aco":{"summary":"L-theanine and caffeine work synergistically to produce calm alertness by combining caffeine's stimulating effects with L-theanine's relaxing properties, resulting in jitter-free focus. The article, published by a psychiatry practice, explains the brain chemistry behind this nootropic pairing and its relevance for conditions like ADHD and anxiety.","tags":["l-theanine","caffeine","nootropics","mental-health","focus","cognitive-performance","integrative-psychiatry"],"key_entities":[{"name":"L-Theanine","type":"concept","confidence":0.99},{"name":"Caffeine","type":"concept","confidence":0.99},{"name":"Adenosine","type":"concept","confidence":0.85},{"name":"Alpha brain waves","type":"concept","confidence":0.8},{"name":"GABA","type":"concept","confidence":0.82},{"name":"Nootropics","type":"concept","confidence":0.9},{"name":"Integrative Psychiatry of America","type":"organization","confidence":0.95},{"name":"ADHD","type":"concept","confidence":0.85},{"name":"Pennsylvania","type":"location","confidence":0.8}],"classification":"reference","language":"en","confidence":0.85,"provenance":{"model":"claude-opus-4-6","tool":"@stacklist/mcp-server@2.0.0","confidence":0.85,"timestamp":"2026-08-30T18:39:06.887Z"},"token_counts":{"approximate":6118,"cl100k":4731},"content_hash":"sha256:0680a3887c2fa49243d9cc5b12401ea1697335b13e98c645c77e339b8309a526","acp_version":"0.2","body_available":true,"body_tokens":6118,"visibility":"public","agent_accessible":true,"status":"final"},"_links":{"self":"/api/public/card/db093fb6-e495-435f-9a19-0e26e218da56.json","html":"https://stacklist.com/card/db093fb6-e495-435f-9a19-0e26e218da56","md":"/api/public/card/db093fb6-e495-435f-9a19-0e26e218da56.md","stack_json":"/api/public/stack/f10c6385-3fee-41ef-ae2d-bf52c42346a4.json"}}