维生素 C

美国每日参考值（DV，成人）：90 mg · 标签常用单位：mg

参考摄入量

数值美国中国欧盟
标签参考值标签上百分比的基准，由各法规规定；不是推荐摄入量90 mgDV · 成人及 4 岁以上儿童1100 mgNRV380 mgNRV5
推荐摄入量（成人）90 mg (men), 75 mg (women)RDA · Adults 19+2100 mgRNI · Adults 18+4110 mg (men), 95 mg (women)PRI6
可耐受最高摄入量2,000 mgUL · Adults 19+22000 mgUL · Adults 18+4Not derived (ND)UL7
  1. FDA, 21 CFR 101.9(c)(8)(iv), Daily Values for adults and children 4 years and older
  2. NIH Office of Dietary Supplements, Vitamin C fact sheet for health professionals (2025)
  3. GB 28050-2011 General rules for nutrition labelling of prepackaged foods, Appendix A nutrient reference values (NRV); value unchanged in GB 28050-2025, Appendix A (published 16 March 2025, in force 16 March 2027) (2025)
  4. Chinese Nutrition Society, Chinese Dietary Reference Intakes (DRIs 2023) (2023)
  5. Regulation (EU) No 1169/2011, Annex XIII Part A, nutrient reference values (consolidated text) (2011)
  6. EFSA NDA Panel, Scientific Opinion on Dietary Reference Values for vitamin C (2013)
  7. EFSA, Tolerable upper intake levels for vitamins and minerals (Scientific Committee on Food / NDA Panel) (2006)

标签值（DV、NRV）是标签上百分比背后的参考点。推荐摄入量与最高摄入量按所列机构原样引用；它们因年龄、性别与生理阶段而异，且都不是建议。