Unverified85% confidenceFactTime unknown
水溶性维生素(B族、C)过量部分随尿排出,无需担心短期超量,但空腹服用大剂量C可能刺激胃,出行途中建议随餐或餐后服
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85%
Confidence
Long-term
Relevance
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UnverifiedB族维生素为水溶性,随饭后服用吸收更好且减少空腹肠胃不适;服后尿液呈亮黄色是B2(核黄素)的正常代谢现象,非质量问题84% similarUnverified维生素C补充剂宜随餐或餐后服用以减少胃部刺激(尤其胃酸敏感者可选缓冲型/酯化型维C如抗坏血酸钙、酯化C),空腹大剂量易致胃部不适或腹泻83% similarUnverified建议餐后或餐中服用以减轻胃肠刺激;同时搭配维生素C可提升吸收率,但应避免与茶、咖啡、牛奶、钙片同服80% similarUnverified叶酸建议与含维生素C的食物或空腹服用以提高吸收,避免与大剂量锌同服影响吸收;胃肠敏感者可随餐服用减少不适79% similarUnverified维生素C的肠道吸收存在饱和现象,单次摄入超过200mg后吸收率显著下降,缓释剂型或分次服用(每次≤250mg,每日2次)比一次性大剂量(1000mg)吸收利用率更高77% similar
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