Unverified85% confidenceTradeoffTime unknown
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
1
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85%
Confidence
Long-term
Relevance
-
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Unverified铁形式影响吸收和肠胃反应：甘氨酸亚铁（螯合铁）比硫酸亚铁便秘/反胃副作用更小，孕吐或肠胃敏感者优选螯合铁型93% similarUnverified采用甘氨酸亚铁（螯合铁）形式，相比传统硫酸亚铁或富马酸亚铁，对肠胃刺激更小，适合胃肠敏感人群93% similarUnverified铁形式为富马酸亚铁，相比硫酸亚铁胃肠刺激较小，但仍可能引起便秘或黑便，肠胃极敏感者需留意93% similarUnverified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93% similarUnverified二价铁（硫酸亚铁/富马酸亚铁）吸收率高但对肠胃刺激大，甘氨酸螯合铁（Ferrous Bisglycinate）在同等元素铁剂量下便秘、恶心发生率显著更低，肠胃敏感者优先选螯合铁93% similar
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