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美国每日参考值（DV，成人）：420 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420 mgDV · 成人及 4 岁以上儿童1300 mgNRV3375 mgNRV5
推荐摄入量（成人）400 mg (men 19–30), 420 mg (men 31+); 310 mg (women 19–30), 320 mg (women 31+)RDA · Adults 19+2330 mg (18–29), 320 mg (30–64), 310 mg (65–74), 300 mg (75+)RNI · Adults 18+4350 mg (men), 300 mg (women)AI6
可耐受最高摄入量350 mg (supplemental magnesium)UL · Adults 19+2未列出250 mg (supplemental magnesium)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, Magnesium fact sheet for health professionals (2026)
  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 magnesium (2015)
  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。