Unverified50% confidenceDecision RuleTime unknown

长途驾驶提神建议单次摄入咖啡因100-200mg，超过200mg易出现手抖、心悸反而影响驾驶专注度；咖啡因半衰期约5-6小时，睡前6小时内不应服用

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咖啡因补剂category

Related Claims

Unverified咖啡因含量约50mg/罐，相当于半杯咖啡，对咖啡因敏感者仍可能引起心悸或失眠，睡前4-6小时内不建议饮用87% similar Unverified同时摄入多种含咖啡因来源（燃脂补剂+咖啡+预锻炼粉）易造成咖啡因叠加超量（单日建议上限约400mg），引发心悸、震颤，选购时须核算全天总摄入86% similar

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