The food and beverage industry constantly seeks ingredients that can elevate product quality, nutritional value, and consumer appeal. L-Leucine, an essential amino acid known for its biological functions, also offers significant benefits as a food additive, specifically as a flavor enhancer and nutritional fortifier. For product developers and procurement professionals, understanding the applications and sourcing of food-grade L-Leucine (CAS 61-90-5) is key to creating successful products.
With the E number E641 (INS 641), L-Leucine is classified as a flavor enhancer. Its presence can impart a subtle umami taste and enhance the overall flavor profile of various food products, from savory dishes to processed snacks. This makes it a valuable ingredient for food technologists looking to refine taste experiences without relying on artificial additives. Additionally, as one of the main raw materials for Branched-Chain Amino Acids (BCAAs), L-Leucine is increasingly used to fortify food products, particularly those targeting health-conscious consumers or athletes, boosting their protein content and supporting muscle health.
The demand for clean-label ingredients and enhanced nutritional profiles makes L-Leucine a compelling choice for modern food formulations. Its natural occurrence in many protein-rich foods also aligns with consumer preferences for wholesome ingredients.
As a dedicated supplier of essential amino acids, we offer high-quality, food-grade L-Leucine manufactured in China. Our product adheres to strict quality standards suitable for food applications, ensuring both safety and efficacy. We are equipped to handle bulk purchase orders, providing a reliable supply chain for manufacturers in the food and beverage sector. We invite you to explore how our L-Leucine can benefit your product development. Contact us today to request a quote and sample, and learn more about how our reliable supply can support your manufacturing needs.
Manufacturing Facilities






Professional Export Experience
to Global Customers
1. 20 years of R&D, manufacturing and sales experience, serving customers in 60 countries and regions around the world;
2. Own R&D laboratory, pilot platform and large-scale production workshop, which can meet the audit requirements of global customers;
3. We can satisfy customers' perfect transition from small scale lab requirements (gram level) to commercialization requirements (hundred tons level).
A: We don't have Minimum Order Quantity, exact quantity should be provided before quotation for us to calculate the exact cost.
A: We don't provide free samples due to lots of request and expensive international courier's cost, we can deduct the sample charge after commercial order placed.
A: Our payment terms: Small or sample order: T/T IN ADVANCE. Commercial order: First order should be by T/T IN ADVANCE or L/C at sight, and following orders T/T 30~90days is acceptable subject to approval of credit application.