Unverified80% confidenceFactTime unknown
无水咖啡因(caffeine anhydrous)是片剂中最常见形态,吸收快;瓜拉纳提取物释放较缓,标注瓜拉纳含量时需换算其实际咖啡因约为总量的10-12%
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80%
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Long-term
Relevance
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Unverified不要用普通功能饮料(含咖啡因/牛磺酸)替代电解质饮料补水,咖啡因有利尿作用反而加速脱水,长途驾驶提神和补水应分开产品65% similarUnverified粉末剂型溶解性好,几乎无味,可混入水、咖啡、酸奶等饮品中,日常服用便利性高于胶囊形式59% similarUnverified酊剂(tincture/液体提取物)起效快、吸收率高但含酒精(通常25-60%)且口感苦,适合急性期短期用;胶囊剂量精准便于长期携带但脂溶性活性成分(如烷基酰胺)生物利用度较低58% similarUnverified标注'低渗透压'(hypotonic)的电解质饮料渗透压低于人体血浆,吸收速度快于等渗/高渗产品,适合快速补水;标注'等渗'(isotonic)的更适合运动中同时补糖补水57% similarUnverified液体蜂胶(酊剂)活性成分更完整、吸收快,但含30%-75%酒精且口感刺激;胶囊剂型无酒精、便携、剂量精准,但多为浓缩提取物。开车/服药人群及孕妇避开含酒精液体剂型57% similar
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