Bulk L-Theanine powder supplier for supplement and functional food manufacturers. 99% purity, fermentation-derived L-Theanine with COA, testing support and flexible packaging options.
| Product Name | L-Theanine |
| CAS No. | 3081-61-6 |
| Assay Specification | 98.0–102.0% |
| Appearance | White or almost white crystalline powder |
| Molecular Formula | C₇H₁₄N₂O₃ |
| Production Route | Fermentation |
| Documentation | Product specification and batch COA available |
| Samples | Available for evaluation |
| Third-Party Testing | Can be arranged upon request |
| MOQ | 1KG |
| Packaging | 25 kg/drum |
| Origin | China |
| Lead Time | Confirmed according to order quantity and stock availability |
| Storage | Store tightly sealed in a cool, dry place, away from heat and light |
FULIBAI supplies bulk L-Theanine powder (CAS 3081-61-6) for dietary supplement manufacturers, nutraceutical companies and functional food brands.
Our L-Theanine is available in high-purity grades with batch-specific COA, technical documentation and flexible sourcing options to support different formulation requirements.
Fermentation-derived L-Theanine is our main supply option, while other production routes can also be supported based on customer requirements.
L-Theanine is a naturally occurring amino acid mainly found in tea leaves. It is widely used as a functional ingredient in dietary supplements, nootropic formulations and beverage applications.
FULIBAI provides bulk L-Theanine powder for manufacturers requiring reliable supply, quality documentation and professional export support.
Specifications — Fermentation-Derived L-Theanine
Test Item |
Specification |
|---|---|
Appearance |
White or almost white crystalline powder |
Specific Rotation |
+7.7° to +8.5° |
Assay |
98.0–102.0% |
Loss on Drying |
≤1.0% |
Residue on Ignition |
≤0.20% |
pH |
5.0–6.0 |
Solution Clarity |
Clear and colorless under the specified test conditions |
Chloride |
≤0.02% |
Sulfate |
≤0.02% |
Iron |
≤10 ppm |
Heavy Metals, Expressed as Pb |
≤10 ppm |
Arsenic |
≤1 ppm |
Cadmium |
≤1 ppm |
Mercury |
≤0.1 ppm |
Aerobic Plate Count |
≤1,000 CFU/g |
Yeasts and Moulds |
≤100 CFU/g |
E. coli |
Negative |
Salmonella |
Negative |
These specifications apply to the fermentation-derived grade shown above. Specifications for other supply options are confirmed separately. Please request the current specification and batch COA before ordering.
L-Theanine can be produced through different manufacturing routes depending on application requirements, sourcing preferences and cost considerations.
FULIBAI supports multiple L-Theanine sourcing options to help customers select suitable materials for their formulations.
Fermentation-Derived L-Theanine
Fermentation-derived L-Theanine is widely used in dietary supplements, functional foods and beverage applications due to its consistent quality and reliable supply.
This production method enables stable batch performance and is suitable for customers looking for naturally derived amino acid ingredients.
Synthetic L-Theanine
Synthetic L-Theanine is another available sourcing option for customers with specific project requirements, including formulation needs and cost considerations.
Supply options can be discussed based on target application, specification requirements and purchasing volume.
Quality documentation is an important part of ingredient sourcing. FULIBAI supports customers with essential technical documents for product evaluation and regulatory review.
Documents Available:
Additional laboratory testing, including SGS verification, can be arranged upon customer request.
L-Theanine is commonly used as a functional ingredient in various product formulations.
Dietary Supplements
Theanine powder is widely used in capsules, tablets and powder blends developed by supplement manufacturers.
Functional Beverages
L-Theanine is used in functional beverage formulations, including products combining amino acids and other functional ingredients.
Nutraceutical Products
L-Theanine can be incorporated into wellness and nootropic formulations requiring high-quality amino acid ingredients.
1. What is the assay specification of your L-theanine powder?
Our main fermentation-derived grade has an assay specification of 98.0–102.0%. The batch Certificate of Analysis (COA) provides the result for the tested batch. If you require a different specification or test method, please send us your requirements for review.
2.Do you supply both fermentation-derived and synthetic L-theanine?
Yes.Fermentation-derived L-theanine is our main supply option. Chemically synthesized material can also be sourced upon request. Please specify your preferred production route so we can confirm the corresponding specification, price and availability.
3.Can you provide a COA and arrange SGS testing?
A batch COA is available for review. Additional third-party testing, including SGS testing, can be arranged upon request. Test items, methods, costs and timing are confirmed before testing.
4. What is the MOQ and packaging for bulk L-theanine powder?
The MOQ for our main fermentation-derived grade is 1 kg, and standard bulk packaging is 25 kg per drum. For trial quantities or other packaging requirements, please contact us to confirm available options.
5. Can I request a sample before placing a bulk order?
Yes. Samples are available for product evaluation and formulation trials. Please share your application, required sample quantity and delivery destination so we can confirm sample availability and shipping costs.
6.Can your L-theanine powder be used in supplements and functional beverages?
We supply L-theanine powder for supplement and beverage formulation projects. For beverages, we recommend evaluating taste, clarity and stability in the complete formulation under your intended processing and storage conditions. Please share your target market and ingredient requirements when requesting a quotation.
7.What information should I provide to receive a quotation?
Please provide your required quantity, assay specification, preferred production route, packaging and delivery destination. Include any additional testing or documentation requirements so we can quote the appropriate supply option.
Shandong Fulibai specializes in providing high-quality raw materials for the nutritional and cosmetic industries.
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