Nitric Oxide Support
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
| Ingredient | Amount |
|---|---|
| Vitamin C289 systematic reviews · 808 randomised trials | 200 mg |
| L-Arginine57 systematic reviews · 327 randomised trials | 2050 mg |
| Citrulline | 715 mg |
Certifications & Testing
Other Ingredients
Xylitol, Stevia leaf extract, Luo Han Guo (Momordica grosvenorii) extract, natural Lemon flavor, natural Lime flavor
Recommended Use
Recommendations: As a dietary supplement, take 1 scoop daily, mixed with water, 20 minutes before exercise.
Warnings
Warning: If you are pregnant or lactating, have any health condition or are taking any medication, consult your health professional before use. Keep out of the reach of children. Use only if safety seal is intact.
Frequently Asked Questions
What is Pure Encapsulations Nitric Oxide Support's Formulate score?
Pure Encapsulations Nitric Oxide Support scores 82 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 Pure Encapsulations Nitric Oxide Support worth it?
Pure Encapsulations Nitric Oxide Support scores 82/100 (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 Pure Encapsulations Nitric Oxide Support?
Each serving contains Vitamin C (200 mg), L-Arginine (2050 mg), Citrulline (715 mg). Serving size: 5.4 Gram(s). 30 servings per container.
How do I take nitric oxide support?
Recommendations: As a dietary supplement, take 1 scoop daily, mixed with water, 20 minutes before exercise.
Who makes Nitric Oxide Support?
Nitric Oxide Support is made by Pure Encapsulations. See Formulate's full grade and product lineup for Pure Encapsulations on its brand page.
Is Pure Encapsulations Nitric Oxide Support third-party tested?
Pure Encapsulations lists the following certifications and testing for this product: Dairy-Free, Gluten-Free, Non-GMO, Soy-Free, Vegan, Vegetarian.
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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.