Unverified90% confidenceDecision RuleTime unknown
液态钙选购优先看是否含维生素D3（而非D2），D3促进钙吸收的生物利用度比D2高约40%，每日钙搭配400-800IU D3吸收效果最佳
1
Sources
90%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Related Claims
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94% similarUnverified钙吸收需维生素D3协同，选择含D3的复合液态钙（成人每日400-800IU）优于纯钙，若产品未含D3则需额外补充，否则钙吸收率大幅下降94% 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93% 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92% similar
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