营养素
标签上的营养素
标签上百分比背后的参考值，并排对照：美国每日参考值（DV）、中国与欧盟的标签参考值（NRV），以及美国可耐受最高摄入量（UL）。各营养素页面载有完整对照表，含推荐摄入量、来源与单位说明。
| 营养素 | 美国每日参考值（DV，成人） | 中国标签参考值（NRV） | 欧盟标签参考值（NRV） | 美国可耐受最高摄入量（UL，成人） |
|---|---|---|---|---|
| 叶酸 | 400 mcg DFE | 400 mcg DFE; 400 mcg (or mcg DFE) from 16 March 2027 (GB 28050-2025) | 200 mcg (folic acid) | 1,000 mcg (folic acid from supplements or fortified foods) |
| 氯 | 2,300 mg | — | 800 mg | 3.6 g/d (3,600 mg/day), adults 19 years and older |
| 泛酸 | 5 mg | 5 mg | 6 mg | — |
| 烟酸 | 16 mg NE | 14 mg | 16 mg | 35 mg NE |
| 生物素 | 30 mcg | 30 mcg; 40 mcg from 16 March 2027 (GB 28050-2025) | 50 mcg | — |
| 硒 | 55 mcg | 50 mcg; 60 mcg from 16 March 2027 (GB 28050-2025) | 55 mcg | 400 mcg |
| 碘 | 150 mcg | 150 mcg; 120 mcg from 16 March 2027 (GB 28050-2025) | 150 mcg | 1,100 mcg |
| 磷 | 1,250 mg | 700 mg | 700 mg | 4,000 mg (19–50 years, male and female); 4,000 mg (51–70 years); 3,000 mg (71+ years); 3,500 mg (pregnancy); 4,000 mg (lactation) |
| 维生素 A | 900 mcg RAE | 800 mcg RE | 800 mcg | 3,000 mcg (preformed vitamin A) |
| 维生素 B12 | 2.4 mcg | 2.4 mcg | 2.5 mcg | — |
| 维生素 B1（硫胺素） | 1.2 mg | 1.4 mg | 1.1 mg | — |
| 维生素 B2（核黄素） | 1.3 mg | 1.4 mg | 1.4 mg | — |
| 维生素 B6 | 1.7 mg | 1.4 mg | 1.4 mg | 100 mg |
| 维生素 C | 90 mg | 100 mg | 80 mg | 2,000 mg |
| 维生素 D | 20 mcg (800 IU) | 5 mcg (200 IU); 10 mcg (400 IU) from 16 March 2027 (GB 28050-2025) | 5 mcg (200 IU) | 100 mcg (4,000 IU) |
| 维生素 E | 15 mg | 14 mg α-TE | 12 mg | 1,000 mg (supplemental alpha-tocopherol) |
| 维生素 K | 120 mcg | 80 mcg | 75 mcg | — |
| 胆碱 | 550 mg | 450 mg; 500 mg from 16 March 2027 (GB 28050-2025) | — | 3,500 mg |
| 钙 | 1,300 mg | 800 mg | 800 mg | 2,500 mg (19–50); 2,000 mg (51+) |
| 钼 | 45 mcg | — | 50 mcg | 2 mg/day (2,000 mcg/day), ages 19 years and older |
| 钾 | 4,700 mg | 2000 mg | 2000 mg | No UL established; NASEM found the case reports insufficient to set one |
| 铁 | 18 mg | 15 mg | 14 mg | 45 mg |
| 铜 | 0.9 mg | 1.5 mg; 0.8 mg from 16 March 2027 (GB 28050-2025) | 1 mg | 10,000 mcg |
| 铬 | 35 mcg | — | 40 mcg | No UL established; the FNB linked no adverse effects to high chromium intakes from food or supplements |
| 锌 | 11 mg | 15 mg; 11 mg from 16 March 2027 (GB 28050-2025) | 10 mg | 40 mg |
| 锰 | 2.3 mg | 3 mg | 2 mg | 11 mg (19+ years: male, female, pregnancy and lactation alike) |
| 镁 | 420 mg | 300 mg | 375 mg | 350 mg (supplemental magnesium) |