L-Citrulline Pure Powder
Scored by the Formulate Research Team · Last reviewed July 2026
Score Breakdown
Three factors carry this score; three more are checked separately and can only take points away. Hover or tap to see what drove each one.
Ingredients per Serving
Certifications & Testing
Other Ingredients
None
Recommended Use
Suggested Usage: Take 1/2 level teaspoon 1 to 2 times daily between meals.
Warnings
Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish or tree nut ingredients. Produced in a GMP facility that processes other ingredients containing these allergens. Caution: For adults only. Consult physician if pregnant/nursing, taking medication (especially blood pressure medications and nitrates or other vasodilating drugs), or have a medical condition (especially abnormal bloo
Frequently Asked Questions
What is NOW Foods L-Citrulline Pure Powder's Formulate score?
NOW Foods L-Citrulline Pure Powder scores 87 out of 100 (grade A) on Formulate's ingredient-level rubric: clinical evidence, dose accuracy and bioavailability carry the score, while manufacturing, transparency and safety are checked separately and can only deduct.
Is NOW Foods L-Citrulline Pure Powder worth it?
NOW Foods L-Citrulline Pure Powder scores 87/100 (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 NOW Foods L-Citrulline Pure Powder?
Each serving contains L-Citrulline (1.5 g). Serving size: 0.5 tsp. 75 servings per container.
How do I take l-citrulline pure powder?
Suggested Usage: Take 1/2 level teaspoon 1 to 2 times daily between meals.
Who makes L-Citrulline Pure Powder?
L-Citrulline Pure Powder is made by NOW Foods. See Formulate's full grade and product lineup for NOW Foods on its brand page.
Is NOW Foods L-Citrulline Pure Powder third-party tested?
NOW Foods lists the following certifications and testing for this product: Vegan, Vegetarian, Gluten-Free, Dairy-Free.
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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.