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Unverified88% confidenceDecision RuleTime unknown

普通成人日常补充剂量控制在100-400IU(约67-268mg):超过400IU长期服用的健康获益证据不足,部分大型研究提示≥400IU/天与全因死亡率轻微上升相关。膳食参考摄入量RDA仅为15mg/天

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