Unverified85% confidenceDecision RuleTime unknown

有效改善便秘应选可溶性纤维（菊粉/PHGG/魔芋）为主，每日累计补充≥5-10g纯纤维；不溶性纤维（麦麸/纤维素）反而可能加重腹胀型便秘

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85%

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Long-term

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膳食纤维补充剂category

Related Claims

Unverified以缓解便秘为主要目的时，优先选可溶性纤维（菊粉/洋车前子壳粉），每日15-20g起效；不可溶性纤维（麦麸）过量反而可能加重腹胀93% similar Unverified以改善便秘为目标时，优先选择部分水解瓜尔胶(PHGG)或菊粉等可溶性纤维，每日有效剂量需≥5g；不溶性纤维（如麦麸）虽然增加粪便体积但在肠道敏感人群易加重腹胀91% similar

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