Unverified85% confidenceDecision RuleTime unknown
钙镁配比应接近2:1（钙约500-600mg配镁250-300mg），镁参与维生素D活化和成骨细胞功能，纯补钙不补镁会降低钙利用率并诱发便秘
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Unverified钙镁配比应接近2:1（如钙500mg配镁250mg），镁不足会影响钙沉积并导致便秘；单片钙含量超过500mg吸收率反而下降，需分次服用93% similarUnverified镁与钙的合理比例约1:2（如镁150-300mg配钙500-600mg），镁参与维D激活并调节钙代谢，缺镁会削弱补钙效果并增加肌肉痉挛93% similarUnverified钙镁搭配比例建议约2:1，镁参与钙代谢并可缓解补钙引起的便秘，长期大量补钙者宜选含镁配方93% similarUnverified补钙需搭配镁，理想钙镁比约为2:1，镁参与维生素D的活化和骨基质形成；单纯大剂量补钙而缺镁会干扰镁吸收并加重便秘93% similarUnverified钙镁复配产品理想比例为钙:镁=2:1，镁参与维生素D活化并缓解高钙引起的便秘；但单纯为补钙者不必强求复配镁，过量镁可能致腹泻92% similar
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