Unverified88% confidenceDecision RuleTime unknown

成人日常维持骨骼健康选1000-2000IU/天即可；血检25-羟基维生素D低于20ng/ml的缺乏人群可短期用5000IU/天纠正，纠正后回落维持量

1

Sources

88%

Confidence

Long-term

Relevance

-

First Seen

Sources

Related Entities

维生素D3category

Related Claims

Unverified维生素D剂量应≥800IU（20mcg）才有明确健康价值，市面很多复合维生素仅含400IU，成人尤其中老年需额外补充或选高剂量款83% similar Unverified选购复合维生素时优先看维生素D剂量，成人每日建议≥400-800IU（10-20μg），很多廉价复合维生素D含量仅100-200IU远不达标82% similar

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