Is there a lot of caffeine in black tea?
Is there a lot of caffeine in black tea? Typical caffeine ranges per 8 oz cup, brewed as commonly prepared at home: Black tea: about 40 to 70 mg, USDA average is about 47 mg. Oolong tea: about 30 to 55 mg. Green tea: about 20 to 45 mg, USDA average is about 28 mg. […]
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