Understanding the intricate metabolic roles of essential nutrients is fundamental for developing effective nutritional products. L-Leucine, an essential branched-chain amino acid (BCAA) with CAS number 61-90-5, plays a pivotal role in cellular metabolism, particularly in muscle protein synthesis and energy regulation. For formulators and product developers, grasping these functions can unlock new possibilities in creating targeted health and wellness solutions.
L-Leucine is unique among amino acids for its ability to directly activate the mechanistic target of rapamycin (mTOR) pathway. This activation is a crucial signal for initiating protein synthesis, the process by which cells build new proteins, essential for muscle growth, repair, and overall tissue maintenance. This anabolic signaling makes L-Leucine a cornerstone ingredient for sports nutrition products aimed at muscle development and recovery. Beyond muscle, it also contributes to the synthesis of other vital molecules, including glucose and fatty acids, highlighting its broad metabolic impact.
Furthermore, L-Leucine can be oxidized for energy during periods of metabolic stress or prolonged exercise, acting as an alternative fuel source and helping to preserve other critical amino acids and glycogen stores. This metabolic flexibility underscores its importance for endurance and overall energy management within the body.
As a leading manufacturer and supplier of essential amino acids from China, we provide high-purity L-Leucine (CAS 61-90-5) that embodies these critical metabolic functions. Our commitment to quality ensures that our clients can reliably source this vital ingredient for their product development. Whether your focus is on muscle health, metabolic support, or nutritional fortification, our bulk L-Leucine is an ideal choice. We encourage you to contact us to discuss your specific needs, request a quote, and learn how our dependable supply chain can support your innovation in the nutritional product market.
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.