Kyowa offers bulk pharmaceutical-grade amino acids, nucleic acids, organic acids and other related compounds. Pharmaceutical companies around the world purchase our high-quality APIs (Active Pharmaceutical Ingredients) and excipients. Kyowa products can be used in a wide variety of pharmaceutical applications including: 

  • APIs
  • Excipients
  • Cell culture media components
  • Critical raw materials
  • Diagnostic reagents
  • Drug intermediates
  • Medical foods

Kyowa Hakko Bio Co., Ltd., Hofu, Japan

Nucleic Acids

  • Citicoline Monosodium Salt

Amino Acids

  • L-Glutathione Reduced

Shanghai Kyowa Amino Acid Co., Ltd., China

Amino Acids

  • L-Alanine
  • L-Arginine MORE »
  • L-Arginine HCL MORE »
  • L-Histidine
  • L-Histidine HCL H2O
  • L-Hydroxy Proline
  • L-Isoleucine
  • L-Leucine
  • L-Lysine HCL
  • L-Phenylalanine
  • L-Serine
  • L-Threonine
  • L-Valine

BioKyowa Inc., USA

Amino Acids

Distribution (China)


  • L-Alanyl-L-Glutamine