Unverified88% confidenceDecision RuleTime unknown
经期补铁选择甘氨酸亚铁（bisglycinate）而非硫酸亚铁，前者生物利用率高且不易便秘/胃刺激，经期铁补充建议15-25mg元素铁/日
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88%
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Unverified铁剂优选甘氨酸亚铁（Ferrous Bisglycinate）而非硫酸亚铁，前者吸收好、便秘和胃肠刺激少，剂量18-27mg元素铁；铁应与维C同服、与钙间隔2小时93% similarUnverified甘氨酸螯合铁（Ferrous Bisglycinate）胃肠刺激性最低，吸收率受食物中植酸/多酚干扰较小，适合无法耐受硫酸亚铁的敏感人群，日常补铁剂量25-28mg元素铁即可89% similarUnverified补铁选甘氨酸亚铁（螯合铁/双甘氨酸铁）时，元素铁28mg左右即可满足日常补充且便秘/胃痛发生率显著低于硫酸亚铁，肠胃敏感者优先选螯合铁而非硫酸亚铁89% similarUnverified铁剂形态选择甘氨酸亚铁或多糖铁复合物比硫酸亚铁肠胃刺激小、便秘和恶心副作用更低，孕期铁需求为27mg/天89% 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88% similar
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