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Shaanxi Kaishi Biotechnology Co., Ltd
Product Description
L-Leucine is an essential branched-chain amino acid (BCAA) widely used as a nutritional ingredient in sports nutrition, dietary supplements, and functional food formulations. It is supplied as a high-purity amino acid powder for manufacturers developing products focused on muscle nutrition, protein metabolism, and active lifestyle applications.
As one of the three branched-chain Amino Acids, L-Leucine is highly recognized in sports nutrition markets and is commonly combined with L-Isoleucine, L-Valine, proteins, vitamins, and minerals in professional supplement formulas.
L-Leucine is an essential amino acid that the human body cannot synthesize and must obtain through dietary sources. It is naturally found in protein-rich foods and plays an important role in normal protein metabolism.
Commercial L-Leucine is typically produced through fermentation processes and supplied as a white crystalline powder. It is widely used in amino acid supplements, sports nutrition products, and nutritional formulations requiring consistent purity and quality control.
| Item | Specification |
|---|---|
| Product Name | L-Leucine |
| Category | Nutritional Ingredients / Amino Acids / Sports Nutrition Ingredients |
| CAS Number | 61-90-5 |
| Molecular Formula | C6H13NO2 |
| Molecular Weight | 131.17 g/mol |
| Appearance | White crystalline powder |
| Assay Grade | Common nutritional and food grades such as 98.5% and above |
| Identification Method | HPLC and amino acid analytical methods |
| Typical Applications | Sports nutrition supplements, amino acid blends, functional foods, nutritional formulations |
| Shelf Life | Typically 24 months under recommended storage conditions |
| Storage | Store in a cool, dry place, protected from moisture, heat, and direct sunlight |
| Packaging | Common packaging includes 1kg and 5kg aluminum foil bags or 25kg fiber drums; customized packaging available |
L-Leucine is widely used in sports nutrition formulas, including amino acid blends, protein supplements, and recovery-oriented nutritional products. It is often combined with other BCAAs to create balanced amino acid profiles.
Supplement manufacturers incorporate L-Leucine into capsules, tablets, and powder blends designed for nutritional support and active lifestyle markets.
L-Leucine can be used in functional nutrition products where manufacturers require a high-purity amino acid ingredient with reliable processing characteristics.
For buyers sourcing L-Leucine, the most important considerations are purity grade, application requirements, amino acid profile, and documentation support. Sports nutrition manufacturers often evaluate L-Leucine together with other BCAAs to achieve the intended formulation balance.
| Selection Factor | Why It Matters | Typical Buyer Consideration |
|---|---|---|
| Purity Grade | Influences formulation accuracy and product consistency | High-purity nutritional grades are commonly selected for supplements |
| BCAA Formula Compatibility | L-Leucine is often combined with L-Isoleucine and L-Valine | Select specifications based on the desired amino acid ratio |
| Application Type | Different products require different processing requirements | Suitable for capsules, tablets, powders, and functional foods |
| Quality Documentation | Supports supplier qualification and incoming inspection | COA, TDS, SDS, and analytical reports are commonly requested |
L-Leucine is commonly supplied in 1kg and 5kg aluminum foil bags or 25kg fiber drums for industrial ingredient handling. Customized packaging solutions can be arranged according to storage, transportation, and production requirements.
L-Leucine supports customized nutrition product development projects. OEM services may include formula development, powder blending, capsule and Tablet Manufacturing, customized packaging, labeling solutions, and technical document preparation.
Typical quality control procedures for L-Leucine include:
L-Leucine is used as a nutritional amino acid ingredient in sports nutrition products, dietary supplements, and functional food formulations. It is commonly included in products designed for active lifestyle and protein nutrition markets.
L-Leucine is one of the branched-chain amino acids (BCAAs), together with L-Isoleucine and L-Valine. It has a distinct role within amino acid nutrition and is frequently used in BCAA-based supplement formulas.
L-Leucine quality is commonly evaluated through HPLC assay testing, identity confirmation, impurity analysis, moisture testing, and other applicable amino acid quality procedures.
L-Leucine is a widely used essential amino acid ingredient for sports nutrition, dietary supplements, and functional nutrition products. With high-purity specifications, reliable quality control, and flexible packaging options, it supports professional supplement formulation and bulk ingredient procurement.
Contact us today to request samples, a COA, technical documents, and a wholesale quotation for L-Leucine.
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