About Ajinomoto Group
Ajinomoto Group is a global leader in the research, development, manufacture, and sale of amino acid-based products for the pharmaceutical, nutraceutical, sports nutrition, health and beauty industries, as well as food ingredients. The company opened its first U.S. office in New York in 1917 and has since grown and expanded its presence, establishing offices and production facilities in North Carolina, Iowa, Ohio, Massachusetts, and Illinois. Ajinomoto leverages an international manufacturing, supply, and distribution chain to bring high quality products to customers.
Thermo Fisher Scientific is an authorized distributor of Ajinomoto Group’s amino acids in North America and Europe, supporting biopharmaceutical production needs.

Featured amino acid products
Ajinomoto products consist of a wide variety of amino acids optimized for biopharma production. These products are manufactured in cGMP facilities located in the U.S., Brazil, Japan and China.
Explore their range of products to help optimize processes and workflows.
- E-Aminocaproic acid
- Glycine
- L-Alanine
- L-Alanyl-L-Glutamine
- L-Arginine
- L-Arginine HCl
- L-Aspartic acid
- L-Cysteine
- L-Cysteine HCl H2O
- L-Cysteine HCl Anhy
- L-Glutamic acid
- L-Glutamine
- L-Histidine
- L-Histidine HCl H2O
- L-Isoleucine
- Levodopa
- L-Lysine HCl
- L-Methionine
- L-Phenylalanine
- L-Proline
- L-Serine
- L-Threonine
- L-Tryptophan
- L-Tyrosine
- L-Valine
- N-Acetyl-DL-Tryptophan
- Taurine
Frequently asked questions
Need more than 50 kg of amino acids? Reach out to our team to discuss your needs.
All information has been provided by Ajinomoto Group. Thermo Fisher Scientific makes no express or implied statement, promise or guarantee related to the information included herein.
Why source Ajinomoto through Thermo Fisher?
Sourcing and procuring Ajinomoto Group amino acids through Thermo Fisher Scientific enables access to products backed by redundant processes and cGMP/GDP supply chain experience to help streamline bioprocesses and manufacturing.- ✔ Access a broad selection of multi‑compendial amino acids manufactured under GMP that help enhance product safety and optimize operational efficiency
- ✔ Gain confidence in quality control with facilities in the supply chain meeting ISO 9001:2015 and cGMP standards that help minimize risks of order nonconformances and contamination
- ✔ Add layers of security through capabilities that can support uninterrupted supply, quality checks, and regulatory compliance
Trusted collaboration
Thermo Fisher Scientific works with Ajinomoto to help facilitate a reliable supply chain of amino acids and consistent product availability. This collaboration means you can count on Thermo Fisher Scientific to help you get the quality amino acids you need, when you need them.
Comprehensive support
Thermo Fisher Scientific offers extensive technical support and customer service. Whether you need forecasting raw material assistance or advice on product usage, the team is ready to assist.
Convenient order and inventory management
Simplify your procurement process and consolidate orders with Thermo Fisher Scientific as your “one‑stop shop” for cGMP chemicals, process liquids, and buffers. We offer supply chain management and delivery options, making it easier for you to get the chemicals you need quickly and simply.
Experience and innovation
Leverage the combined knowledge of Ajinomoto Group and Thermo Fisher Scientific to stay ahead in your processes. Both companies are committed to innovation, continuously developing innovative solutions to meet the evolving needs of the industry.
Request information
Ajinomoto’s amino acids are manufactured globally in cGMP‑certified facilities to produce multicompendial grade amino acids for use in cell culture media, excipients or as an active pharmaceutical ingredient (API).
We look forward to talking to you about your amino acid and workflow needs. Please fill out the form and we'll contact you as soon as possible.
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