Unverified85% confidenceDecision RuleTime unknown
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
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Unverified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91% similarUnverified铁剂选甘氨酸亚铁（bisglycinate）或琥珀酸亚铁比硫酸亚铁胃肠刺激小，且吸收更平稳；隔天服用（而非每日服用）可降低血清铁调素峰值反而提升总吸收率88% 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87% 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86% similar
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