Citrulline aspartate — answers to citrulline (aspartate salt)
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A combination of the amino acid L-citrulline with aspartic acid, sold as a salt form. The body converts citrulline into arginine, a building block for nitric oxide.
Why it’s used
Taken by some to support blood flow and exercise performance, or to reduce feelings of fatigue during exertion.
What the evidence says
Most exercise research on citrulline uses the malate salt rather than the aspartate salt on this label, and even that evidence is mixed; the aspartate-specific human literature is too small and inconsistent to draw a conclusion about oral use.
Where we looked
There was no paper to cite here, so this is the search instead — run it yourself and see what we saw.
- PubMed: 1 record · searched August 2026
"Citrulline aspartate"[Title/Abstract] AND ("dietary supplements"[MeSH] OR supplementation[Title/Abstract] OR supplement[Title/Abstract] OR supplements[Title/Abstract] OR "oral administration"[Title/Abstract]) AND (randomized controlled trial[pt] OR clinical trial[pt] OR meta-analysis[pt] OR systematic review[pt]) AND humans[MeSH] - PubMed: 11 records · searched August 2026
"Citrulline aspartate"[Title/Abstract]
This says what this database holds under these terms. It is not a finding that no research exists.
Context
Where citrulline compounds have been studied for exercise, protocols vary widely in dose and timing, and results differ by the specific salt form and outcome measured.
Educational information, not medical or safety advice. Consult a professional for allergies or medical concerns.