
L-Methionine Powder
| Product Name | L-Methionine |
| Aliases | (S)-2-Amino-4-(methylthio)butanoic acid; L-2-Amino-4-methylthiobutyric acid |
| CAS Number | 63-68-3 |
| Molecular Formula | C5H11NO2S |
| Molecular Weight | 149.21 g/mol |
| Appearance | White crystalline powder or crystals |
| Purity | 99% (HPLC) |
| Packages | 1kg,5kg/bag, 25kg/drum |
L-Methionine Powder - Premium Food-Grade Ingredient for Human Nutrition
As a leading L-Methionine supplier, Oclean Nutra provides premium food grade L-Methionine powder in bulk quantities. This essential amino acid is vital for formulating advanced human nutrition products and animal feed additives, offering unmatched purity and global compliance for businesses worldwide. Request a Custom Quote to streamline your supply chain today.
What is L-Methionine?
L-Methionine is a sulfur-containing, essential amino acid, meaning it cannot be synthesized by the human or animal body and must be obtained through diet or supplementation. It serves as a fundamental building block for proteins and plays a pivotal role in numerous metabolic pathways.
Beyond its structural functions, L-Methionine is a critical precursor to molecules like glutathione, the body's master antioxidant, and S-adenosylmethionine (SAMe), a primary methyl donor involved in various cellular processes. For B2B manufacturers, securing a consistent and high-quality source of this amino acid is paramount for ensuring the efficacy and reliability of end products, from dietary supplements to animal feed.
Sources of L-Methionine
L-Methionine occurs naturally in protein-rich foods such as eggs, fish, and dairy. However, industrial production for consistent quality and volume relies on advanced synthesis methods, including fermentation-based biotechnology and chemical synthesis. These methods provide precise control over the molecular structure and eliminate biological variability, ensuring a high-purity, contaminant-free crystalline powder suitable for large-scale food fortification and dietary supplement manufacturing.
The Efficacy of L-Methionine
The inclusion of L-Methionine in formulations delivers targeted benefits through well-understood mechanisms:
- Precursor to Key Compounds: It is fundamental in synthesizing glutathione, a powerful intracellular antioxidant that protects cells from oxidative damage, and SAMe, which is crucial for methylation reactions that regulate metabolism, gene expression, and neurological function.
- Supports Liver Health: L-Methionine aids in detoxification processes by facilitating the synthesis of compounds that bind and eliminate toxins. It also helps reduce excessive fat accumulation in the liver, promoting overall hepatic function.
- Promotes Skin, Hair, and Coat Health: As a critical feed additive, its sulfur content is essential for producing keratin and collagen, directly improving the quality of feathers in poultry and the coat integrity in livestock, which is a key indicator of animal health.
- Essential for Growth and Development: By ensuring optimal protein synthesis, it supports muscle development, growth rates, and overall metabolic efficiency in both humans and animals.
How to Use L-Methionine in Production?
Incorporating our food grade L-Methionine powder into your formulations is straightforward due to its excellent stability and solubility.
- Dietary Supplements: Ideal for capsule filling, tablet compression, or as an ingredient in powdered protein and wellness blends.
- Functional Foods & Beverages: Easily mixed into solid or liquid matrices to fortify products.
- Animal Feed Premixes: Uniformly blends with other feed additives to create nutritionally complete feed for poultry and aquaculture.
For specific formulation suggestions and technical data to optimize your product development, our experts are ready to assist. Contact our technical team for detailed application support.
How to Produce L-Methionine?
As a responsible L-Methionine manufacturer, we employ state-of-the-art production technologies that prioritize purity and environmental responsibility. Our processes involve precise fermentation and purification steps, rigorously controlled to meet stringent food grade standards. This ensures every batch of our bulk L-Methionine delivers consistent quality and performance for your production lines.
Product Specifications: L-Methionine Powder
For B2B partners requiring detailed technical documentation. A comprehensive, batch-specific Certificate of Analysis (COA) will be provided promptly upon request.
| Parameter | Specification | Test Method |
|---|---|---|
| Identity | ||
| Product Name | L-Methionine | - |
| CAS No. | 63-68-3 | - |
| Appearance | White Crystalline Powder | Visual Inspection |
| Key Specifications | ||
| Assay (Purity) | ≥ 99% | HPLC |
| Loss on Drying | ≤ 0.5% | USP <731> |
| Residue on Ignition | ≤ 0.1% | USP <281> |
| Mesh Size | 80-100 Mesh | Sieve Analysis |
| Safety & Quality | ||
| Heavy Metals | ||
| - Lead (Pb) | ≤ 3.0 mg/kg | ICP-MS |
| - Arsenic (As) | ≤ 2.0 mg/kg | ICP-MS |
| - Cadmium (Cd) | ≤ 1.0 mg/kg | ICP-MS |
| - Mercury (Hg) | ≤ 0.1 mg/kg | ICP-MS |
| Total Plate Count | ≤ 1000 CFU/g | USP <61> |
| Yeast & Mold | ≤ 100 CFU/g | USP <61> |
| E. Coli | Negative | USP <62> |
| Salmonella | Negative | USP <62> |
| Certifications | ISO 9001, GMP (Certificates available upon request) | Audit Certification |
Note: The specifications above define our standard L-Methionine product profile. We also provide customization options—such as adjustments to purity and particle size—to meet specific formulation requirements. Contact us to request the full Certificate of Analysis (COA) for detailed, batch-specific data and supporting compliance documentation.
Packaging, Services & Inquiry
- Minimum Order Quantity (MOQ): 1 kg
- Free Sample: Available (10-20g/bag) for qualified businesses.
- Custom Services: Full support for OEM, ODM, Private Label, and Contract Manufacturing.
- Standard Packaging: 1 kg/bag, 25 kg/drum. Custom packaging available.
- Shelf Life: 24 months in a cool, dry place away from light.
Request a Free Sample & Full Datasheet | Get a Quote for Bulk Order
Side Effects and Safety Profile
When used as directed in formulations that adhere to established recommended daily intakes or animal feeding guidelines, L-Methionine is generally recognized as safe (GRAS). It is important to note that, as with any biologically active ingredient, excessively high doses beyond physiological needs should be avoided, as they may lead to gastrointestinal discomfort or other imbalances. We strongly recommend that our clients conduct thorough safety assessments for their final product formulations and provide clear usage instructions to end consumers.
