{"version":"1.0","type":"card","id":"67ec8309-62d8-4eec-9809-1474f8e476dd","url":"https://stacklist.com/card/67ec8309-62d8-4eec-9809-1474f8e476dd","title":"International society of sports nutrition position stand: caffeine and exercise performance","source_url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC7777221/","note":"Following critical evaluation of the available literature to date, The International Society of Sports Nutrition (ISSN) position regarding caffeine intake is as follows: Supplementation with caffeine can enhance exercise performance in various contexts. This page outlines the ISSN's recommendations and insights on caffeine use for athletes.","image":{"url":"https://ucarecdn.com/81f27a47-d205-4f4d-95d6-1dd43c4a2747/","alt":"International society of sports nutrition position stand: caffeine and exercise performance","width":55,"height":117},"stack":{"id":"1eb79cd0-4a96-493e-8040-78c264f36e69","title":"Caffeine Timing for Study, Gym and Shift Work","url":"https://stacklist.com/c/wellness/stack/1eb79cd0-4a96-493e-8040-78c264f36e69"},"created_at":"2026-08-30T18:38:44.409Z","updated_at":null,"aco":{"summary":"The International Society of Sports Nutrition position stand reviews the scientific evidence on caffeine's effects on exercise performance, alertness, and fatigue. The paper, authored by a large multi-institutional team, was published in the Journal of the International Society of Sports Nutrition in January 2021.","tags":["caffeine","exercise-performance","sports-nutrition","position-stand","ergogenic-aid","alertness","fatigue"],"key_entities":[{"name":"International Society of Sports Nutrition","type":"organization","confidence":0.99},{"name":"Nanci S Guest","type":"person","confidence":0.95},{"name":"Trisha A VanDusseldorp","type":"person","confidence":0.92},{"name":"Brad J Schoenfeld","type":"person","confidence":0.93},{"name":"Jose Antonio","type":"person","confidence":0.9},{"name":"Jozo Grgic","type":"person","confidence":0.9},{"name":"Bill I Campbell","type":"person","confidence":0.88},{"name":"Caffeine and exercise performance","type":"concept","confidence":0.98},{"name":"University of Toronto","type":"organization","confidence":0.95},{"name":"Nova Southeastern University","type":"organization","confidence":0.9},{"name":"Victoria University","type":"organization","confidence":0.88},{"name":"CUNY Lehman College","type":"organization","confidence":0.88},{"name":"University of Central Florida","type":"organization","confidence":0.87},{"name":"Kennesaw State University","type":"organization","confidence":0.85},{"name":"Ergogenic aid","type":"concept","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":"2026-08-30T18:38:56.875Z"},"token_counts":{"approximate":25000,"cl100k":21986},"content_hash":"sha256:27f0132e18609c3cdabeedefa4d44f37140ffa1e1f15c4b110dcd44a4c6d7b6a","acp_version":"0.2","body_available":true,"body_tokens":25000,"visibility":"public","agent_accessible":true,"status":"final"},"_links":{"self":"/api/public/card/67ec8309-62d8-4eec-9809-1474f8e476dd.json","html":"https://stacklist.com/card/67ec8309-62d8-4eec-9809-1474f8e476dd","md":"/api/public/card/67ec8309-62d8-4eec-9809-1474f8e476dd.md","stack_json":"/api/public/stack/1eb79cd0-4a96-493e-8040-78c264f36e69.json"}}