Unverified85% confidenceFactTime unknown
复合片的钙含量往往受限:单片体积无法承载全日所需钙(1000mg),标称'全营养'的复合片钙含量通常仅200-300mg,需大量补钙者应另配专门钙片
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85%
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Long-term
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Unverified复合维生素矿物质中钙镁含量往往不足,因体积限制单粒通常只能塞入100-200mg钙,若需补钙(成人每日需1000mg)应单独购买钙镁片,勿指望复合片补足92% similarUnverified单粒液体钙的元素钙含量普遍在100-300mg之间,成人每日推荐摄入800-1000mg钙,仅靠该产品通常无法满足全天钙需求,需配合膳食补充92% similarUnverified含钙的复合维生素单粒钙含量通常仅100-200mg(占每日需求20%以内),因钙占体积大无法在一粒中放足量,需补钙者应单独选钙补充剂而非依赖复合维生素91% similarUnverified钙镁含量高的产品做不到「单粒全覆盖」,若产品声称单粒含100%每日钙需求需警惕,实际RDA钙需1000mg体积远超单粒可容纳,通常需另外补钙91% similarUnverified每粒元素钙含量约100mg,相比普通碳酸钙片(每片约300-600mg元素钙)偏低,每日需服用多粒才能满足推荐摄入量,补钙效率不高90% similar
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