Caffeine has a recommended daily allowance (RDA) of 100mg and a safe upper limit (UL) of 400mg per day. Exceeding the upper limit may cause adverse health effects. Use NutriAudit to check if your supplement stack keeps Caffeine within safe limits.
| Region | Organization | RDA | Upper Limit (UL) | Unit |
|---|---|---|---|---|
| 🇪🇺 Europe | EFSA | 100 | 400 | mg |
RDA = Recommended Daily Allowance (adequate intake for most adults). UL = Tolerable Upper Intake Level (maximum safe daily amount).
L-theanine helps reduce caffeine jitters (positive interaction).
Taking L-theanine with caffeine may improve focus.
The safe upper limit (UL) for Caffeine is 400mg per day according to EFSA. Exceeding this amount regularly may increase the risk of adverse effects.
The RDA for Caffeine is 100mg per day for most adults. This amount is sufficient to meet the needs of 97-98% of healthy individuals.
Yes, Caffeine has 1 known interaction with other supplements. L-theanine helps reduce caffeine jitters (positive interaction).
Check if your supplement stack keeps Caffeine within safe limits.
Audit My Supplements