L-Theanine Relaxation Support Functional API Ingredient
L-Theanine
Natural amino acid 'L-theanine' derived from green tea - a noteworthy ingredient that contributes to stress relief, improved concentration, and enhanced sleep quality.
L-Theanine is a natural free amino acid found abundantly in green tea leaves and is also known as a flavor component of tea. It has gained attention primarily for its stress-reducing and relaxing effects, and it is widely used in functional foods. The L-Theanine raw material (API grade) we offer is of pharmaceutical and health food quality, purified to a high purity (≥98%), and has the following characteristics: - Relaxation effects (increases brain alpha waves) - Improvement in sleep quality (natural onset of sleep and deep sleep) - Support for concentration and attention - Synergistic effects with caffeine (alertness + calm mental stability) - Non-dependence and minimal side effects (safe for long-term use) It is possible to choose between natural or fermentation-derived sources, making it suitable for vegan and vegetarian products.
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basic information
Ingredient Name: L-Theanine Also Known As: Tea Amino Acid / γ-Ethylamino-L-Glutamic Acid Content: ≥98% (HPLC Measurement) Appearance: White to light yellow crystalline powder Solubility: Soluble in water Odor/Taste: Slightly sweet and umami Packaging: 1kg aluminum bag / 25kg drum Shelf Life: 24 months (sealed in a cool, dark place) Tested for heavy metals and pesticide residues Microbial testing and radioactive substance testing completed ISO9001 / HACCP compliant Halal / Kosher
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Applications/Examples of results
Functional foods for stress reduction and sleep support Focus-enhancing supplements (for students and gamers) Sleep-related supplements combined with GABA Energy drinks with caffeine balance design products Quasi-drugs, health supplements, and beverage OEM materials
Company information
YOUCHANG INDUSTRIAL DEVELOPMENT CO., LTD is a specialized manufacturer of natural ingredients, focusing on herbal extracts and plant-derived extracts, and is a global company with strengths in international exports. We develop products that integrate traditional knowledge of Chinese medicine with biotechnology, catering to diverse industries such as pharmaceuticals, cosmetics, health foods, functional beverages, personal care, animal nutrition, and aromatherapy. Our main products include herbal extracts, fruit and vegetable powders, tea extracts, peptides, active pharmaceutical ingredients (APIs), natural flavors, essential oils, reed diffusers, and aroma candles. We utilize advanced extraction technologies such as supercritical CO₂ extraction, low-temperature vacuum concentration, membrane separation, and spray drying to achieve high purity and stability of components. We have obtained various international certifications including ISO, GMP, HACCP, HALAL, KOSHER, and organic certification, establishing a quality control and traceability system. We can accommodate both small batches and large-scale production. Through stable quality, competitive pricing, professional support, and sustainable sourcing of raw materials, we build trust with business partners around the world.
