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Walk the Even Hospital Database by book and chapter — the raw source passages that ground Ask, DDx, and the rest.
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©2013 UpToDate ® Print Email Caffeine source and amount* Source Caffeine (mg) Coffee Drip (8 ounces) 234 Percolated (8 ounces) 176 Regular instant (8 ounces) 85 Decaffeinated instant (8 ounces) 3 Expresso (1 -2 oz) 45-100 Starbucks grande (16 oz) 330 Cocoa and chocolate Cocoa from mix (6 ounces) 10 Milk chocolate (1 ounce) 6 Baking chocolate (1 ounce) 35 Soft drinks (12 ounces) Dr. Pepper 39.6 Regular cola 46 Diet cola 46 Tea 1 minute brew 9-33 3 minute brew 20-46 Instant 12-28 Canned iced tea (12 ounces) 22-36 * It is important to remember that these figures are approximate and vary among products. In addition, different types of beans and teas have different caffeine contents, and the way the beverage is brewed also affects the caffeine content.