Superseded90% confidenceDecision RuleTime unknown
血红素铁（heme iron）的吸收率约15-35%，远高于硫酸亚铁等非血红素铁（2-20%），且不受植酸、茶多酚、钙抑制，胃肠刺激小；缺铁性贫血纠正优先选血红素铁形式
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This knowledge claim has been superseded by newer content
血红素铁（来自动物肝脏、红肉、血制品）吸收率15-35%，非血红素铁（植物、强化食品）吸收率仅2-20%，选补铁食品优先看铁来源形态而非单纯铁含量数字Sources
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