Since its founding, KYOWA HAKKO U.S.A., INC. has been committed to research and development, effectively combining its fermentation, chemical synthesis and biotechnologies to evaluate, develop and bring to market some of the most advanced health products and manufacturing processes. The word "Hakko" in Japanese translates to mean fermentation, reflecting the key technology of the company.

Health claims for our products are based on decades of research and cover a broad range of topics. Our research is carried out by both Kyowa and third-party scientists, and the majority of our findings have been published in peer-reviewed journals. Kyowa's research and development staff continue to pursue new research opportunities.

View specific research information for these products on their own website:

Contact us for ingredient and condition-specific white papers, including the following:


  • Hydroxyproline
  • Sodium Hyaluronate
  • CoQ10
  • Glutathione
  • Citicoline
  • L-Arginine
  • L-Glutamine
  • L-Histidine
  • BCAA
  • L-Ornithine
  • GABA
  • L-Citrulline
  • Ala-Gln
  • Menaquinone-4


  • Lipolysis/Fat Burning and Amino Acids
  • Amino Acids and Exercise for Muscle Building
  • Senior Health
  • Healthy Skin and Amino Acids
  • Menopause & Andropause
  • Lifestyle-Related Diseases: arginine, glutathione and Soy Science
  • Stress reduction and Amino Acids
  • Memory and Learning and Amino acids
  • Immune System and Amino Acids
  • Liver Health and Amino Acids
  • Renal Health
  • Oral Care and Amino Acids
  • Relaxation and Amino Acids
  • Sleep and Amino Acids
  • Mental Concentration and Amino Acids