Unverified87% confidenceCautionTime unknown
长期每日超过2000mg(成人可耐受最高摄入量UL)可能增加肾结石风险及腹泻,选购1000mg高含量规格时应注意不要叠加多种含VC复合补剂
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87%
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Long-term
Relevance
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Unverified长期每日超过2000mg(成人可耐受最高摄入量UL)可能增加肾结石与腹泻风险,出行中大量服用泡腾片解渴式补充需警惕过量93% similarUnverified成人预防性补充选择每片100-500mg即可满足需求,单片≥1000mg高剂量仅在感冒初期或特殊需求短期使用,日常长期服用超过2000mg会增加肾结石和腹泻风险87% similarUnverified单次剂量≥1000mg的维C长期服用可增加草酸盐结石风险,有肾结石病史或肾功能不全者应选≤500mg规格并咨询医生82% similarUnverified长期每日超过2000mg可能引起胃肠不适、腹泻等副作用;100mg规格的药准字产品按说明书服用一般不会超量,安全余量较大82% similarUnverified肾结石高风险人群或草酸钙结石病史者不宜长期每日服用500mg及以上剂量维C82% similar
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