Unverified80% confidenceDecision RuleTime unknown
菊粉每日有效剂量研究多在5-15g区间，购买时应换算单价至'每克膳食纤维成本'而非包装总价来对比，避免被大包装低纯度产品误导
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Unverified计算真实性价比应按『每日有效剂量可服用天数』而非包装份数：若每日需10g纯纤维，一罐300g纯菊粉可服30天，而每份仅含2g纤维的调味冲剂需5袋/日，实际成本远高84% similarUnverified每份约5g剂量偏低，若每日膳食纤维缺口较大（如需补充15-20g），需多次服用，单次成本和便利性不如大剂量散装糊精粉81% similarUnverified选购看每份成本×达标份数：宣称高含量但需每天3-4份才达标的产品，实际日服用成本远高于标称；应按'达到目标纤维量的每日成本'横向比较79% similarUnverified购买时按'单日有效成分剂量×一疗程天数'折算成本而非按单瓶价，很多低价产品每片含量低，需每日服4-6片才达标，实际疗程成本更高79% similarUnverified比较性价比应看'每份有效成分剂量÷价格'而非单纯每粒价格，需换算至每日总服用量（多粒装需乘以每日粒数）后对比77% similar
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