Unverified85% confidenceDecision RuleTime unknown

长途驾驶想提神应选含咖啡因茶饮，绿茶/红茶咖啡因含量约10-20mg/100ml，一瓶500ml约50-100mg，相当于半杯咖啡，能维持1-2小时清醒

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茶饮料category

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Unverified绿茶/红茶基底能量茶每袋咖啡因约20-40mg，马黛茶约30-50mg，瓜拉纳提取物可达80-120mg（接近一杯咖啡）；日饮不超过3杯以控制总咖啡因＜300mg84% similar Unverified每罐250ml含约80mg咖啡因，提神效果相当于一小杯咖啡，若日常已有大量咖啡摄入，需合并计算总咖啡因量，避免超出每日推荐上限（约400mg）。83% similar

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