Vitamin C- Recommended intakeAdult men
- 100mgDietary Reference Intakes for Koreans 2020
- Upper limit
- 2,000mgDietary Reference Intakes for Koreans 2020
- High dose used in studies
- 1,000–3,000mgClinical research practice
Vitamin C
Check reference intakes, upper limits and high-dose notes for Vitamin C; values vary by age, sex and source.