Vitamin C has a recommended daily allowance (RDA) of 90mg and a safe upper limit (UL) of 2000mg per day. Exceeding the upper limit may cause adverse health effects. Use NutriAudit to check if your supplement stack keeps Vitamin C within safe limits.
| Region | Organization | RDA | Upper Limit (UL) | Unit |
|---|---|---|---|---|
| πΊπΈ United States | FDA | 90 | 2000 | mg |
| πͺπΊ Europe | EFSA | 90 | 2000 | mg |
| π¦πΊ Australia | TGA | 90 | 2000 | mg |
| π¨π³ China | CNS | 100 | 2000 | mg |
| π―π΅ Japan | MHLW | 100 | 2000 | mg |
RDA = Recommended Daily Allowance (adequate intake for most adults). UL = Tolerable Upper Intake Level (maximum safe daily amount).
Vitamin C enhances collagen synthesis (positive interaction).
Taking vitamin C with collagen is beneficial.
Vitamin C enhances iron absorption (positive interaction).
Taking together is beneficial.
Vitamin C enhances quercetin absorption (positive interaction).
Taking quercetin with vitamin C is beneficial.
The safe upper limit (UL) for Vitamin C is 2000mg per day according to FDA. Exceeding this amount regularly may increase the risk of adverse effects.
The RDA for Vitamin C is 90mg per day for most adults. This amount is sufficient to meet the needs of 97-98% of healthy individuals.
Yes, Vitamin C has 3 known interactions with other supplements. Vitamin C enhances collagen synthesis (positive interaction).
Check if your supplement stack keeps Vitamin C within safe limits.
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