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Unverified80% confidenceDecision RuleTime unknown

缓释型维C(Time-Release)在4-6小时内持续释放，血药浓度更平稳、吸收率更高，适合需要全天补充或高剂量补充者；普通片剂大剂量时多余部分随尿排出

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维生素C补充剂category

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Unverified缓释剂型（time-release）可将维C释放时间延长至6-8小时，维持血药浓度更平稳，适合每天只服1次的人群；普通片剂吸收快但2-3小时即排出95% similar Unverified维C半衰期仅约30分钟，普通剂型血药浓度波动大，缓释剂型（Timed-Release/Slow-Release）能在6-8小时内持续释放，维持更平稳的血浆浓度，适合需要全天补充的人群91% similar Unverified缓释剂型（time-release）在数小时内持续释放，可维持血药浓度稳定、减少大剂量对胃的刺激，适合1000mg高剂量长期服用者；普通剂型吸收快但峰值后快速排出，适合低剂量日常补充91% similar Unverified缓释型（time-release/sustained-release）在6-8小时内持续释放，维持血药浓度更平稳，适合每天只想吃一次的人；普通型起效快但排出也快90% similar Unverified缓释型（sustained-release）维C可维持血药浓度8-12小时，吸收利用率高于普通片剂一次性大剂量摄入（后者过量部分直接随尿排出），适合需要稳定补充的人群89% similar

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