INGREDIENT REFERENCE
L-citrulline
What covered labels declare, with the dates and sources attached.
This page covers this exact ingredient identity. Other forms are not combined. Higher amounts are not ranked as better; labels are not laboratory measurements.
On file
Declared amounts on file.
Highest amount first.
Amounts that are unconfirmed or undisclosed stay unranked. Each row keeps its own serving and scope. A product missing from this list is not established to be free of this ingredient.
Research context and sources
The cited research uses specific populations, formulations, and protocols. Those findings do not establish that any product below works, or how much you should take.
NIH ODS, Dietary Supplements for Exercise and Athletic Performance · Evidence class A1
The NIH summary describes limited and conflicting evidence on performance.
Research often measures use across multiple days. A single label serving is a different measure. This is not medical or dosing advice.
| Product | Declared amount / label serving | Label date | Source |
|---|---|---|---|
| Rule 1 Energized AminoL-CitrullineSave to my Locker | 750 mgflavor specific | 2026-10-04 | Rule 1 |
