Unverified80% confidenceDecision RuleTime unknown
购买时看铁的形态：甘氨酸亚铁/富马酸亚铁（二价有机铁）吸收好且胃刺激小，若配方标注氧化铁或电解铁则吸收率差，肠胃敏感者不建议
1
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80%
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Long-term
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Unverified铁形态为焦磷酸铁或富马酸亚铁，胃肠刺激性低于硫酸亚铁，但吸收率也相对偏低；胃肠敏感人群可作为优先选择90% similarUnverified二价铁吸收好但对胃刺激大、易致便秘和黑便；甘氨酸亚铁螯合铁形式肠胃刺激最小，胃肠敏感者应优先选螯合铁而非普通硫酸亚铁90% 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90% 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90% similarUnverified甘氨酸亚铁/乳酸亚铁属于有机铁形态，相比硫酸亚铁等无机铁对胃肠刺激性更小，适合胃敏感人群89% similar
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