Amino Acid

L-Citrulline (Blood Pressure)

Also known as: Citrulline (BP), Citrulline malate

Evidence

Converts to arginine, raising NO levels. Better tolerated than arginine for many.

Last reviewed June 2026 · Evidence graded from peer-reviewed research, not editorial opinion. Educational only — not medical advice.

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Daily target & upper limit

6 g / day

L-Citrulline (Blood Pressure) has an established daily reference intake. See best forms, label synonyms, upper-limit warnings, and top-scoring supplements:

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Primary uses

Blood pressure
Nitric oxide
Exercise performance
Circulation

How it works

Converts to arginine
Sustained NO production
Better GI tolerance than arginine

Dosage

Typical range: 3-6g daily
Timing: Any time, pre-exercise for performance
With food: Optional
Duration: Ongoing
Special populations: Blood pressure, exercise, circulation

Forms

L-citrulline
Citrulline malate

Safety

Common side effects

Rare GI upset

Contraindications

None known

Products containing L-Citrulline (Blood Pressure)

Top-scoring supplements in our catalog that list L-Citrulline (Blood Pressure) on the label. Each product is graded on Formulate's ingredient-level rubric — dose accuracy, form, transparency, and third-party testing.

Evidence notes

Sustained NO elevation

Grade B: Some human trials support key claims; further confirmation needed.

Related in Amino Acid

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Medical disclaimer. This page is educational and does not replace advice from a qualified healthcare provider. Individual needs and risks vary — consult a professional before starting, stopping, or combining supplements, especially if you are pregnant or nursing, taking medication, or managing a health condition.