Unverified88% confidenceDecision RuleTime unknown
补铁选二价铁（亚铁：硫酸亚铁/富马酸亚铁/甘氨酸亚铁）而非三价铁，二价铁吸收率显著更高；甘氨酸亚铁（bisglycinate）胃肠刺激最小、便秘发生率低，适合不耐受传统铁剂人群
1
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88%
Confidence
Long-term
Relevance
-
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Unverified补铁优先选二价铁（亚铁/glycinate甘氨酸亚铁）而非三价铁，二价铁吸收率显著更高；甘氨酸亚铁螯合形式胃肠刺激小，适合难以耐受硫酸亚铁便秘/恶心的人群95% similarUnverified补铁选二价铁（亚铁）而非三价铁：甘氨酸亚铁螯合物（如Ferrochel）胃肠刺激最小、吸收率高；硫酸亚铁最便宜但便秘/恶心副作用重。同服维C（≥100mg）可提升非血红素铁吸收2-3倍94% similarUnverified甘氨酸亚铁（螯合铁）的胃肠道刺激显著低于硫酸亚铁，缺铁但胃肠敏感者应选螯合铁形式（如bisglycinate），即使元素铁含量偏低也更利于长期依从94% similarUnverified铁剂优选二价亚铁（如乳酸亚铁、富马酸亚铁、甘氨酸亚铁），三价铁需还原为二价才能吸收，吸收率低；甘氨酸亚铁螯合形式对肠胃刺激最小93% similarUnverified铁剂优选二价铁（甘氨酸亚铁、富马酸亚铁、乳酸亚铁），生物利用度和胃肠耐受性优于三价铁；甘氨酸亚铁螯合形式对胃刺激最小，适合易反胃人群93% similar
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