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    Trademarks/L-Citrulline/Kyowa Quality®
    Kyowa Quality® branded ingredient logo by Kyowa Hakko
    Trademarked IngredientPump and Performance Ingredients

    Kyowa Quality®

    A trademarked form of L-Citrulline

    Parent Evidence
    74/100

    Manufacturer

    Kyowa Hakko

    Clinical Studies

    1

    Certifications

    3

    Purity

    Standard

    Last reviewed: 2024-02-20

    Technical Specifications

    Clinical Evidence

    0 trademark-specific studies · 1 parent (generic L-Citrulline) study shown for context

    1
    Parent / generic L-Citrulline evidence

    Pharmaceutical-grade fermentation purity studies

    Frequently Asked Questions

    What is Kyowa Quality?

    Kyowa Quality® is a trademarked form of L-Citrulline manufactured by Kyowa Hakko.

    Who makes Kyowa Quality?

    Kyowa Quality is made by Kyowa Hakko.

    How much clinical evidence does Kyowa Quality have?

    SuppIndex lists 1 clinical study for Kyowa Quality and 3 certifications (GRAS, Informed Sport, Fermentation-derived). The parent ingredient L-Citrulline has an overall evidence score of 74/100 (Moderate).

    Parent Ingredient

    L-Citrulline

    A non-proteinogenic amino acid recycled through the urea cycle that elevates plasma L-arginine levels, enhancing endothelial nitric oxide synthase (eNOS) substrate availability and systemic NO production.

    Pre-workout vasodilationEndurance performanceBlood pressure supportMuscle pump

    View the parent ingredient page for full evidence review, dosage guidance, mechanism of action, and safety information.

    Manufacturer

    Kyowa Quality® branded ingredient logo by Kyowa Hakko

    Kyowa Hakko

    Website Contact

    Certifications (3)

    GRAS
    Informed Sport
    Fermentation-derived

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