CAS · 3081-61-6
Product Overview
L-Theanine is a high-purity amino-acids supplied for industrial and specialty chemical applications. Contact our team for specifications, packaging options and lead times.
Product Specifications
| Appearance | White crystals or crystalline powder |
|---|---|
| Assay | 98.0 to 102.0% |
| Melting point | 202.0 to 215.0 °C |
| Specific rotation [α]D20 | +7.5 to +8.5 ° |
| Chloride (Cl) | 0.02% max |
| Heavy metals (Pb) | 10 ppm max |
| pH | 5.0-6.0 |
| Moisture | 2.0% max |
| Residue on ignition | 0.2% max |
| Total plate count | 1000 cfu/g max |
| Yeast & Mold | 100 cfu/g max |
| E. Coli | Negative |
| Salmonella | Negative |
Applications
L-Theanine is predominantly used in dietary supplements, functional foods, and beverages aimed at promoting relaxation, reducing stress, and improving mental focus. It is incorporated into formulations for cognitive enhancement, sleep support, and mood regulation, often combined with caffeine to improve attention without causing overstimulation. In the nutraceutical and pharmaceutical industries, L-Theanine is used in research on neuroprotection, anxiety reduction, and cardiovascular health. It also finds applications in animal nutrition for improving stress resilience and overall well-being. Additionally, L-Theanine is employed as a model compound in studies of amino acid transport, neurotransmitter modulation, and neurochemical pathways.
Benefits
The key benefits of L-Theanine include its ability to promote relaxation and reduce stress without inducing drowsiness, making it suitable for daytime use. It modulates levels of neurotransmitters such as GABA, dopamine, and serotonin, supporting improved mood and cognitive function. L-Theanine can synergistically enhance the focus-boosting effects of caffeine while mitigating jitters, offering a balanced mental alertness. It is highly bioavailable, water-soluble, and generally regarded as safe (GRAS), making it easy to formulate into supplements, beverages, and functional foods. Its neuroprotective and antioxidant properties also support long-term brain health and overall wellness.
Conclusion
L-Theanine is a natural amino acid widely used for promoting relaxation, cognitive support, and stress reduction in dietary supplements, functional foods, and research applications. Its unique ability to enhance mental focus while supporting calmness, along with high safety and bioavailability, makes it an increasingly valuable ingredient in modern health and wellness products.
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