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Ajinomoto Co., Inc.

Tokyo, Japan

Profile updated: April 2, 2026

Ajinomoto Co., Inc. is a Japanese multinational headquartered in Chuo-ku, Tokyo, and the world's leading producer of amino acids. Founded in 1909, Ajinomoto pioneered fermentation-based amino acid manufacturing in the 1950s and holds over 130 patents in the field. Their AjiPure brand supplies pharmaceutical and supplement-grade amino acids produced exclusively from natural vegetable-based carbohydrates via fermentation — no animal-derived raw materials are used. Key amino acid products include L-Leucine, L-Glutamine, L-Arginine, L-Tyrosine, Glycine, and L-Phenylalanine. Ajinomoto operates manufacturing facilities in Japan, the United States, Europe, and India, with over 110 years of amino acid research.

Directory ListingRecords Reviewed

Public records and independent sources have been reviewed.

What this means →

Min. Order

Not publicly disclosed

Lead Time

Not publicly disclosed

Product Types

AjiPure Amino Acids (Fermentation-Based), L-Leucine, L-Glutamine, L-Arginine, L-Tyrosine, Glycine, L-Phenylalanine, Branched-Chain Amino Acids (BCAAs)

Capabilities

Fermentation-Based Amino Acid Manufacturing, Pharmaceutical and Supplement Grade Production, US Manufacturing Facilities, Clinical Research Support (110+ Years), Branded Ingredient Supply (AjiPure), Vegetable-Based Raw Materials Only

Certifications

0 of 1 certification independently confirmed. What this means

Key Regulatory Concepts

Dietary supplement manufacturers must comply with 21 CFR Part 111 (Current Good Manufacturing Practice for dietary supplements). This includes requirements for personnel, facilities, equipment, production, laboratory operations, and record-keeping.

Review Notes

Japanese multinational founded 1909, headquartered in Chuo-ku, Tokyo. World's leading amino acid producer. AjiPure brand supplies supplement-grade amino acids via proprietary fermentation from vegetable carbohydrates. 130+ patents. US health and nutrition division (ajihealthandnutrition.com) confirms North American operations. Wikipedia and corporate website verify global manufacturing including US facilities. Ajinomoto.com R&D page documents amino acid research legacy. Ferment-A-Pure process documented on ajipure.com.

Sources

Disclosures

  • No material connection exists between Inventory Ready and this company

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