{"version":"1.0","type":"card","id":"bb3ab92c-ccc3-4709-a217-f22d81328ced","url":"https://stacklist.com/card/bb3ab92c-ccc3-4709-a217-f22d81328ced","title":"Is Pre-Workout Bad for Your Heart? A Cardiologist Weighs In","source_url":"https://www.baptistjax.com/juice/stories/heart-vascular/too-revved-up","note":"Baptist Heart Specialists: loosely regulated pre-workouts can stack high caffeine with other stimulants, and dry-scooping adds choking and tooth-enamel risks. Read the full label before you lift.","image":{"url":"https://ucarecdn.com/3609d095-5818-40d7-9f2a-58d9cf1e2dbc/","alt":"Is Pre-Workout Bad for Your Heart? A Cardiologist Weighs In","width":1200,"height":630},"stack":{"id":"f2eedf5e-26d1-4fb4-9246-f3b127aed0e5","title":"Built for the Graveyard Shift: LSC100 + Night Shift, Gaming & Gym Energy","url":"https://stacklist.com/c/wellness/stack/f2eedf5e-26d1-4fb4-9246-f3b127aed0e5"},"created_at":"2026-11-02T15:21:03.594Z","updated_at":null,"aco":{"summary":"Pre-workout supplements contain high levels of caffeine and other stimulants that can increase the risk of high blood pressure, arrhythmias, and heart attacks, especially in patients with coronary disease. A cardiologist recommends safer alternatives like B-complex vitamins, electrolyte drinks, and natural ingredients such as green tea and beets.","tags":["pre-workout","caffeine","heart-health","cardiology","supplements","fitness"],"key_entities":[{"name":"Alejandro Pena Jr., MD","type":"person","confidence":0.95},{"name":"Baptist Heart Specialists","type":"organization","confidence":0.95},{"name":"Food and Drug Administration (FDA)","type":"organization","confidence":0.95},{"name":"dry-scooping","type":"concept","confidence":0.9},{"name":"caffeine","type":"concept","confidence":0.95},{"name":"ephedrine","type":"concept","confidence":0.9},{"name":"pre-workout supplements","type":"technology","confidence":0.95}],"classification":"analysis","language":"en","confidence":0.85,"provenance":{"model":"claude-haiku-4-5","tool":"@stacklist/mcp-server@2.0.0","confidence":0.85,"timestamp":"2026-11-02T15:21:10.139Z"},"token_counts":{"approximate":885,"cl100k":705},"content_hash":"sha256:fe88d8daf7eec229915924f0165f94229252dc5852e8abfaf4d894b2247a98b4","acp_version":"0.2","body_available":true,"body_tokens":885,"visibility":"public","agent_accessible":true,"status":"final"},"_links":{"self":"/api/public/card/bb3ab92c-ccc3-4709-a217-f22d81328ced.json","html":"https://stacklist.com/card/bb3ab92c-ccc3-4709-a217-f22d81328ced","md":"/api/public/card/bb3ab92c-ccc3-4709-a217-f22d81328ced.md","stack_json":"/api/public/stack/f2eedf5e-26d1-4fb4-9246-f3b127aed0e5.json"}}