[KongchangAI]
Unverified83% confidenceSolutionTime unknown

选购路径:先测血清25-OH-D→<20缺乏用高剂量短期纠正、20-30不足用2000IU、>30充足用1000IU维持→按人群决定是否加K2/钙→按吸收需求选剂型→认准第三方检测(如NSF/USP)与来源标注

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83%
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Long-term
Relevance
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