
L-Leucine is one of the three essential branched-chain amino acids for the human body and is a hydrophobic amino acid with a branched side chain. L-Leucine occupies a unique position in nutritional metabolism and is considered the 'main switch' for initiating muscle protein synthesis, while also serving as an important direct energy substrate during intense exercise.Leucine appears as a white crystalline powder, with a slightly bitter taste and moderate water solubility.
Food Industry
Leucine is used as a food additive or nutritional enhancer to meet the needs of various consumer groups.
Infant Formula: As an essential amino acid, it is precisely added to infant formula, follow-up formula, and complementary foods according to the amino acid profile of breast milk.
Sports Nutrition and Functional Foods: Widely used in protein powders and post-workout recovery shakes for fitness enthusiasts and high-intensity workers. Additionally, it is added to formula foods for the elderly to prevent sarcopenia, helping overcome age-related anabolic resistance.
Ordinary Food Improvement and Special Diets: Small amounts of L-leucine are added to high-protein cereal bars, nutritional meal replacement cookies, and baked goods .
Flavor and Texture Optimization: Although leucine itself has a certain bitterness, its hydrophobic properties in specific formulations help improve protein water retention and texture, prevent aging and hardening, and maintain good stability during high-temperature processing, extending shelf life.

Product Parameter
|
CAS No. |
61-90-5 |
|
Purity |
99.5% |
|
Type |
Nutrition Enhancers |
|
Place of Origin |
Shandong, China |
|
Other Names |
L-Leucine |
|
MF |
C6H13NO2 |
|
EINECS No. |
424-750-7 |
|
Grade Standard |
Food Grade |
|
Appearance |
White Powder |
|
Application |
Food additive |
|
Certificate |
HALAL KOSHER ISO |
|
Packing |
1kg/foil bag 25kg/carton Drum |
|
MOQ |
27 MT |
|
Sample |
Available |
|
Shelf life |
2 years |
|
Packaging & Delivery |
Selling Units: Single item |

Q1. Factory or Trading Company?
We are a factory with over thirty years of experience, and also a professional food ingredient supplier.
Q2. Product Application Fields?
Food processing, beverages, plastics, and industrial applications.
Q3. Certifications?
Yes, we hold ISO, HALAL (Halal Certification), and KOSHER (Kosher Certification).
Q4. Quality Control?
We conduct inspection for every batch of products before shipment.
Q5. Can I Get Samples?
Free samples up to five hundred grams are available. Larger samples may incur charges.
Hot Tags: l-leucine, China l-leucine manufacturers, factory