[KongchangAI]
Unverified90% confidenceDecision RuleTime unknown

老年人每日钙总摄入(膳食+补充剂)应达1000-1200mg,单次补充元素钙≤500mg吸收率最高,超过500mg吸收率显著下降,建议分2次服用

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90%
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Long-term
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