Unverified85% confidenceDecision RuleTime unknown
日常保健选100-268IU（约67-180mg）即可满足需求；400IU以上属于治疗性剂量，应在医生指导下使用
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Unverified180mg(270IU)属于中等偏低剂量，适合日常基础补充；如果医生建议高剂量治疗性补充（如400IU以上），需换更高规格产品86% similarUnverified一般保健日常剂量100mg即可满足抗氧化和基础补充需求；服用他汀药物者建议100-200mg；心衰等临床辅助场景可用200-300mg，超过300mg边际收益有限85% similarUnverified日常保健剂量选100-400 IU即可，长期每日超过400 IU（约268mg）可能增加出血风险，超过1000 IU属高剂量需医生指导85% similarUnverified单粒剂量约100IU，属于低剂量补充，适合日常保健但不适合需要高剂量治疗性补充的人群（如医嘱400IU以上）84% similar
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