Unverified90% confidenceDecision RuleTime unknown
普通成人日常维持选1000-2000IU/天即可，缺乏纠正期（血清25-OH-D＜20ng/ml）可短期用5000IU/天，达标后回落到维持量；长期无监测下超过4000IU/天有蓄积风险
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Unverified普通成人日常维持选1000-2000IU/日即可，缺乏纠正期（血清25-OH-D＜20ng/mL）可短期用5000IU/日，达标后降至维持量；无缺乏证据不建议长期5000IU94% similarUnverified维持性补充选1000-2000IU/天可覆盖多数成人日常需求；缺乏纠正（血清25-OH-D＜20ng/ml）阶段需4000-5000IU/天并在8-12周后复查，达标后降至维持量93% similarUnverified无缺乏症的成人日常维持选1000-2000IU/天即可，血清检测<20ng/ml的缺乏者可短期用5000IU纠正，达标后回落到维持量92% similarUnverified维持性补充选1000-2000IU/日即可满足多数成年人需求；血清25-OH-D<20ng/ml的明确缺乏者可短期用5000IU/日纠正，纠正后降至维持量，不建议长期无监测服用5000IU92% similarUnverified日常维持推荐1000-2000IU/天，血清检测明确缺乏（<20ng/mL）可短期用5000IU纠正后回落到2000IU维持，长期无监测下每日≥4000IU有累积超量风险92% similar
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