Unverified85% confidenceDecision RuleTime unknown
选购时确认是否含维生素D3（而非D2），D3促进肠道钙吸收效率是D2的1.7倍左右，无D3的纯钙锌液吸收率显著降低
1
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85%
Confidence
Long-term
Relevance
-
First Seen
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Unverified选购钙剂优先看是否含维生素D3（而非D2），D3每片含量400-800IU可显著提升钙吸收率约30-40%；缺D3的纯钙剂吸收效率大打折扣92% similarUnverified选择含维生素D3（而非D2）的产品，D3促进肠道钙吸收效率显著高于D2；每日D3摄入建议400-800IU即可满足协同吸收，无需追求超高剂量91% similarUnverified选择含维生素D3的复合钙剂优先，D3每100-400IU可显著提升钙吸收率，单纯补钙不含D3时钙吸收利用率大幅下降91% similarUnverified补钙的吸收关键是维生素D而非钙剂量本身，选购时优先看是否含维生素D3或搭配补充D3（400IU/天），单纯补钙不补D吸收效率大打折扣90% similarUnverified选购时看维生素D3含量而非仅看钙含量：D3每日400-800IU可提升钙吸收30-40%，无D3的纯钙产品实际利用率偏低90% similar
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