Unverified90% confidenceDecision RuleTime unknown
补铁优先选甘氨酸亚铁(螯合铁)或血红素铁,其吸收率显著高于硫酸亚铁,且不受食物中植酸、钙、鞣酸的抑制影响,胃肠副作用也明显更小
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Long-term
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Unverified补铁剂选择甘氨酸亚铁(二甘氨酸铁)或多糖铁复合物形态,铁吸收率显著优于硫酸亚铁,且胃肠刺激小,便秘、恶心副作用发生率大幅降低94% similarUnverified甘氨酸亚铁属于有机螯合铁,吸收率显著高于传统无机铁(硫酸亚铁等),同时对胃肠道刺激明显更小,是肠胃敏感人群补铁的优先选择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甘氨酸亚铁(螯合铁)相比硫酸亚铁等无机铁,胃肠道刺激和便秘风险明显更低,但单份元素铁含量也通常更低,属于'温和但补得慢'的权衡92% 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92% similar
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