Unverified88% confidenceFactTime unknown
成人每日铁推荐摄入量男性12mg、育龄女性20mg、孕中晚期24-29mg,选强化食品时对照标签铁含量占NRV百分比评估是否满足需求缺口
1
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88%
Confidence
Long-term
Relevance
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Unverified看铁含量要看'每份/每100g'的实际标注值并结合每日推荐量:成年男性/绝经后女性约12mg/日,育龄女性约20mg/日,孕中晚期约24-29mg/日;营养标签'营养素参考值NRV%'以15mg为基准,选购时用NRV%反推实际含量避免被'高铁'宣传误导90% similarUnverified单次补铁的元素铁含量成人补足量建议18-27mg,孕期27-30mg;超过45mg元素铁易加重胃肠不适和便秘,非缺铁性贫血者不宜长期高剂量补充87% similarUnverified预防性补铁选择元素铁含量30mg左右的产品即可满足孕期日常需求;已确诊缺铁性贫血(血红蛋白<110g/L)需选择元素铁60-120mg/天的治疗剂量,且应由医生指导86% similarUnverified孕中晚期铁需求激增(孕晚期约27mg/天),选择每片含铁量18-27mg的产品;若血红蛋白正常且肠胃敏感,可选不含铁的复合维生素另行按需补铁,避免便秘和恶心86% similarUnverified成人预防性补铁剂量为元素铁18-30mg/天,缺铁性贫血治疗需60-120mg/天但应在医生指导下进行;孕妇一般需27mg/天。看标签要认准'元素铁(elemental iron)'含量而非化合物总重量86% similar
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