Unverified85% confidenceDecision RuleTime unknown
VC有效抗氧化剂量为250-500mg/天，VE为100-400IU（约67-268mg），单片VC低于100mg或VE低于30IU的复合配方多为'凑成分'，实际抗氧化贡献有限
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Unverified每粒仅500mg VC，若需高剂量补充（如1000-2000mg/日）需多次服用，单粒剂量偏保守75% similarUnverified硒的有效抗氧化剂量为50-100μg/天，上限400μg/天，长期超量补硒可致硒中毒（脱发、指甲变脆），复合配方中硒含量应≤200μg72% similarUnverified普通片剂维C单次吸收上限约200-250mg，超过部分吸收率骤降，选1000mg高剂量不如分次服用两片250mg或选缓释型70% similarUnverifiedVD每日推荐摄入量为400-800IU，VA不超过2000IU/日；选购时应确认单粒剂量在此范围内，避免长期超量导致维生素A蓄积中毒69% similarUnverified日常抗氧化保健100mg/天即可；服用他汀类降脂药者建议100-200mg/天补充因药物流失的Q10；心衰等辅助治疗需200-300mg/天且应遵医嘱69% similar
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