Unverified72% confidenceTradeoffTime unknown
钙镁复合剂中若钙镁比接近2:1（如钙500mg配镁250mg），大剂量钙会竞争镁的肠道吸收；单纯补镁者不建议选含高钙的复合配方
1
Sources
72%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified钙镁复合产品的钙镁比理想为1:1或2:1，但高剂量钙会竞争性抑制镁吸收，若主要目标是补镁应选纯镁产品分开服用，避免钙镁同服93% similarUnverified钙镁复方产品中钙与镁竞争同一吸收通道，同时大剂量补充会互相拮抗，纯补镁人群不建议选钙镁合剂，理想比例约钙:镁=2:1或分开时段服用93% similarUnverified产品定位为钙镁协同吸收，钙镁比约2:1，属于侧重镁补充的钙镁复合配方，而非高剂量单纯补钙产品93% similarUnverified钙镁同补的产品需注意钙镁比例，钙镁比2:1较均衡；但过量镁（>350mg补充剂形式）可能引起腹泻，不宜盲目追求高镁配方93% similarUnverified钙镁复合片看似省事，但钙与镁在肠道竞争吸收，同时大剂量补充会互相干扰；建议钙、镁分开时段服用，或选择钙镁比接近2:1的配方92% similar
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