Zinc has a recommended daily allowance (RDA) of 11mg and a safe upper limit (UL) of 40mg per day. Exceeding the upper limit may cause adverse health effects. Use NutriAudit to check if your supplement stack keeps Zinc within safe limits.
| Region | Organization | RDA | Upper Limit (UL) | Unit |
|---|---|---|---|---|
| πΊπΈ United States | FDA | 11 | 40 | mg |
| πͺπΊ Europe | EFSA | 11 | 40 | mg |
| π¦πΊ Australia | TGA | 11 | 40 | mg |
| π¨π³ China | CNS | 12.5 | 40 | mg |
| π―π΅ Japan | MHLW | 10 | 40 | mg |
RDA = Recommended Daily Allowance (adequate intake for most adults). UL = Tolerable Upper Intake Level (maximum safe daily amount).
High zinc intake can reduce copper absorption.
Maintain a 10:1 zinc to copper ratio.
High doses of calcium may reduce zinc absorption.
Consider taking at different times.
The safe upper limit (UL) for Zinc is 40mg per day according to FDA. Exceeding this amount regularly may increase the risk of adverse effects.
The RDA for Zinc is 11mg per day for most adults. This amount is sufficient to meet the needs of 97-98% of healthy individuals.
Yes, Zinc has 3 known interactions with other supplements. High zinc intake can reduce copper absorption.
Check if your supplement stack keeps Zinc within safe limits.
Audit My Supplements