What is L-Alanine?

L-Alanine is a non-essential amino acid, meaning the human body can synthesize it naturally. It is one of the most abundant amino acids found in proteins and plays a central role in glucose metabolism through the glucose-alanine cycle, which supports energy production during exercise and periods of metabolic stress.

L-Alanine is widely used across food and beverage manufacturing due to its multifunctional properties, which include:

• Sweetness Synergy: Acts as a sweetness synergist, enhancing the perception of sweetness when combined with sugar, artificial sweeteners, or acidulants. Particularly effective at modulating flavor balance in beverages and seasoning blends.
• Flavor Enhancement & Masking: Imparts a mild, clean sweetness that can round out harsh or bitter notes. Used to improve flavor profiles in sauces, dressings, and pickled products.
• Nutritional Fortification: Used to increase the amino acid content of sports supplements, functional foods, and fortified beverages, supporting energy provision and muscle tissue response.
• Sports & Energy Nutrition: Incorporated into sports nutrition products, energy drinks, and amino acid blends to support glucose production during exercise and aid in muscle recovery.
• Umami & Seasoning Applications: Enhances the effect of chemical seasoning and improves the acidity balance of organic acids, vinegar, and pickled products in sauce and dressing applications.

L-Alanine Technical & Product Specifications

Regulatory & Handling Considerations

• Food Regulatory Approvals (USA): L-Alanine is authorized as a food nutrient under 21 CFR 172.320 (FDA). DL-Alanine is permitted as a flavor adjuvant in pickling spice under 21 CFR 172.540.
• International Regulatory Status: Approved for food use in the EU and other major markets as a permitted amino acid ingredient. Manufacturers should verify applicable regional regulations for specific use levels and applications.
• Stability & Storage: L-Alanine is stable under normal conditions. It should be stored in a cool, dry, well-ventilated location in sealed containers, away from moisture and strong oxidizing agents. Shelf life is typically 2 years when stored properly.
• Ingredient Interactions: Compatible with most food ingredients. When used as a sweetness synergist, formulation testing is recommended to optimize usage levels alongside sugar or high-intensity sweeteners for the desired flavor profile. Contact AIFI’s product formulation team for support.
• Labeling: Must be declared on ingredient labels as “L-Alanine” or “Alanine” per applicable labeling regulations.

About American International Foods, Inc. (AIFI) - A L-Alanine Supplier & Distributor

American International Foods, Inc. is a leading L-Alanine supplier with an additional full-service portfolio of over 2500 food and beverage ingredients. We offer one of the most extensive lines of amino acids distributed to manufacturers and processors in the food, beverage, pet food, health and nutrition sectors. With a strategic nationwide warehouse network and our reliable just-in-time deliveries, we can supply your business with high quality amino acids at competitive prices.