Unverified80% confidenceDecision RuleTime unknown
评估性价比应按'每克膳食纤维成本'和'实际服用天数'计算,而非按包装总重;很多粉剂每份大部分是载体成分,实际有效纤维占比差异很大
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80%
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Long-term
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Unverified评估性价比应按'每克纯纤维成本'而非每份价格:部分产品每份仅含1-2g纤维却按天数标榜实惠,需计算达到每日目标量(如10-15g补充)所需份数88% similarUnverified算真实成本要看'每日达标剂量'而非每包价格:若单份仅含2g纤维,达到有效量需服3-5份,实际日用量和花费远高于标称,按'每克纯纤维成本'横向比较86% similarUnverified性价比按'每克纯纤维成本'而非每瓶价格或片数计算:高价水果味咀嚼片单片实际纤维量常低于原味吞服片,折算下来每克纤维成本可高2-3倍85% similarUnverified选购时应看每份净纤维含量而非产品总克重——部分产品用麦芽糊精、糖或调味剂充量,配料表若纤维源不在前两位、或含大量赤藓糖醇/香精则性价比低81% similarUnverified看每份净纤维含量而非产品克重:很多冲剂含大量麦芽糊精、香精和代糖填充,实际纤维占比可能不足50%,应换算每克成本对应的净纤维80% similar
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