Unverified90% confidenceDecision RuleTime unknown
补铁产品优先选择二价亚铁(如甘氨酸亚铁、富马酸亚铁、乳酸亚铁),其吸收率显著高于三价铁;其中甘氨酸亚铁(螯合铁)吸收率最高且对肠胃刺激最小,几乎不引起便秘和黑便
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Unverified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93% 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92% 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92% similar
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