Unverified80% confidenceDecision RuleTime unknown
缬草根（Valerian）含量需≥300mg/份才有临床助眠效果，低于此剂量的复方茶更多是心理安慰作用
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80%
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Long-term
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Unverified缬草根（Valerian root）助眠有效剂量为每次400-900mg，散茶冲泡浓度需足够，市售茶包若缬草含量＜300mg/包多为香精调味作用，助眠效果有限87% similarUnverified缬草根（Valerian root）含量≥300mg/袋才具有实质性助眠临床剂量，多数复方茶包缬草含量不足100mg仅起风味作用86% similarUnverified缬草根(Valerian)有效助眠剂量为每份300-600mg干燥提取物，市售茶包多数每袋仅含1-2g原草，实际缬草含量偏低，助眠需求强者应选标注缬草根含量或复配缬草提取物的产品86% similarUnverified缬草根(Valerian)含量≥300mg/袋才具有临床验证的助眠效果，低于此剂量多为香气添加，睡前1小时冲泡最佳85% similarUnverified洋甘菊、缬草根、薰衣草类助眠茶需在睡前30-60分钟饮用，缬草根含量需达到300mg以上才有临床助眠效果，仅添加微量'风味'的产品无实质作用84% similar
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