L-Citrulline Powder
L-Citrulline Powder scores 82/100 (B grade). Strengths: 1 ingredients with Grade B evidence.
Scored by the Formulate Research Team · Last reviewed July 2026
Overview: BulkSupplements L-Citrulline Powder
L-Citrulline is a non-essential amino acid that the body converts to arginine, raising nitric oxide levels and supporting blood vessel dilation. It is most commonly taken to improve exercise endurance and reduce muscle fatigue during high-intensity or prolonged physical activity.
Score Breakdown
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Ingredients per Serving
Certifications & Testing
Recommended Use
Take 1 tsp (about 3 grams) with 8-12 oz of water or as directed by your healthcare professional.
Warnings
Consult your healthcare professional before use if you are pregnant, nursing, taking medication, or have a medical condition. Keep out of reach of children. Store in a cool, dry place.
Frequently Asked Questions
What is BulkSupplements L-Citrulline Powder's Formulate score?
BulkSupplements L-Citrulline Powder scores 91 out of 100 (grade A) on Formulate's ingredient-level rubric, which weighs evidence quality, dose accuracy, bioavailability, transparency, safety, and manufacturing practices.
Is BulkSupplements L-Citrulline Powder worth it?
BulkSupplements L-Citrulline Powder scores 91/100 (grade A). That puts it in Formulate's top tier: its ingredient doses, forms, and label transparency hold up against the clinical evidence, and it carries credible third-party testing. Formulate grades every product with the same automated rubric, so the score reflects the formula — not marketing or sponsorships.
What's in BulkSupplements L-Citrulline Powder?
Each serving contains L-Citrulline (3 g). Serving size: 1 tsp (about 3 grams). 333 servings per container.
How do I take l-citrulline powder?
Take 1 tsp (about 3 grams) with 8-12 oz of water or as directed by your healthcare professional.
Who makes L-Citrulline Powder?
L-Citrulline Powder is made by BulkSupplements. See Formulate's full grade and product lineup for BulkSupplements on its brand page.
Is BulkSupplements L-Citrulline Powder third-party tested?
BulkSupplements lists the following certifications and testing for this product: Third-Party Tested, cGMP Certified, Made in USA.
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Disclosure. Formulate may earn a commission from purchases made through links on this page. Commissions never influence scores — every product is graded by the same automated rubric. This page is for educational purposes only and does not replace advice from a qualified healthcare provider.