L-arginine
L-arginine is a moderate-risk supplement, commonly taken at 3000 mg per day with a suggested upper limit of 20000 mg according to EFSA reference data. This page currently includes one reference source. Treat it as safety context, not a complete global standard comparison. Use NutriAudit to check if your supplement stack keeps this ingredient within safe limits.
Quick take
L-arginine sits in the Other Supplements category. This page consolidates 1 regional standard, and the numbers are broadly aligned, so the bigger question is whether your total dose stays in range.
For this ingredient, the main task is usually not a binary yes/no question but checking the label dose, your total intake, and possible overlap with the rest of the stack.
Taking multiple supplements? Check L-arginine for overlap
If L-arginine appears on two product labels, enter each daily amount and check the combined label total.
Check L-arginine across my supplementsFree. No account required.
Regional Reference Values
| Region | Organization | Typical Dose | Upper Limit (UL) | Unit |
|---|---|---|---|---|
| 🇪🇺 Europe | Research | 3000 | 20000 | mg |
Typical Dose = commonly used amount, not an official RDA. UL = Tolerable Upper Intake Level; some authorities have not established one.
How to use this page
First match your product label against the dose table above, then check whether the known interaction list includes anything in your current stack.
If you are taking multiple supplements, the safest approach is usually to audit the whole stack instead of judging a single bottle in isolation.
Frequently Asked Questions
How much L-arginine is too much?
Research lists a formal upper limit (UL) of 20000mg per day for L-arginine. Other regions may use a different value or have no established UL.
What is a typical dose of L-arginine?
A commonly used dose of L-arginine is 3000mg per day. This is based on research literature, not an official RDA. Individual needs vary.
Are you taking L-arginine?
Check if your supplement stack keeps L-arginine within safe limits.
Audit My SupplementsDisclaimer: NutriAudit is a decision-support tool designed to help you review your supplement stack for potential duplicate, conflicting, or excessive ingredients. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before making changes to your supplement routine, especially if you are pregnant, nursing, taking medications, or have a medical condition.
Uses cited public reference data where the current dataset has a verified entry.