Description

Specifications

Product Name: L-Theanine
CAS No.: 3081-61-6
Molecular Formula: C7H14N2O3
Molecular Weight: 174.20 g/mol
Appearance: White crystalline powder
Solubility: Soluble in water; insoluble in ethanol and ether
Melting Point: 207°C
Boiling Point: 427.13°C
Purity: ≥98%, no residual impurities
Sources: Natural fermentation or synthetic biotechnology
Packaging: 1 kg/bag, 25 kg/drum
Minimum Order Quantity: 25 kg
Global Markets: North America, South/Central America, Europe, Oceania, Asia, Middle East, Africa
Samples Available: Yes

Key Benefits

1.1 Stress & Anxiety Relief

1.2Promotes calmness and reduces mental stress.
1.3Modulates neurotransmitters such as GABA, dopamine, and serotonin to support emotional balance.

2. Improved Sleep Quality
2.1Enhances sleep onset and depth without sedative effects.
2.2Ideal for inclusion in sleep-support beverages and supplements.

3. Cognitive & Focus Support
3.1Increases alpha brain waves to promote relaxed alertness.
3.2Works synergistically with caffeine to enhance attention and mental clarity.

4. Antioxidant & Immune Support
4.1Metabolized into glutamate, which supports GSH synthesis and antioxidant defenses.
4.2Protects liver function, reduces oxidative stress, and promotes immune system health.

5. Liver Protection & Anti-Aging Support
5.1Enhances antioxidant enzyme activity (SOD, CAT, GR) and reduces ROS, MDA, ALT, AST levels.
5.2Supports liver cell health, protects against alcohol-induced damage, and contributes to anti-aging liver care.

Applications

1.Functional Beverages: Anti-anxiety, relaxation, sleep-support drinks.
2.Health Foods: Soft gels, powder sachets, dietary supplements.
3.Cosmetics & Nutricosmetics: Antioxidant and stress-reducing active ingredient.
4.Medical Nutrition: Special-purpose functional formulations for mental wellness.

Certifications & Compliance

Complies with domestic and international food, nutraceutical, and supplement regulations.
Provided MSDS, COA, and other quality certificates for global B2B compliance.

Why Choose Our L-Theanine

✅ High Purity & Advanced Production: Produced with state-of-the-art equipment, ensuring minimal impurities and consistent quality.
✅ Scientifically Validated Efficacy: Supports stress relief, relaxation, cognitive enhancement, and antioxidant protection.
✅ Regulatory Ready: Fully compliant with international food, supplement, and cosmetic standards, simplifying B2B sourcing.
✅ Versatile & Customizable: Multiple powder specifications, suitable for OEM/ODM applications across global markets.
✅ Trusted Global Partner: Provides logistics, technical support, and high-quality ingredients for manufacturers, distributors, and brands worldwide.

L-Theanine is a premium, high-purity amino acid offering stress relief, relaxation, sleep improvement, cognitive support, and antioxidant protection. Its versatility across functional foods, beverages, dietary supplements, and cosmetic applications makes it an ideal choice for global B2B clients seeking natural, effective, and regulatory-compliant solutions.

L-Theanine – Frequently Asked Questions (FAQ)

1. What is L-Theanine?

L-Theanine (N-Ethyl-γ-L-glutamine) is a unique non-protein amino acid naturally found in tea leaves, particularly Camellia sinensis. It is known for its ability to promote relaxation, reduce stress, and support cognitive performance without causing drowsiness.

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2. What are the main benefits of L-Theanine?

L-Theanine provides multiple scientifically supported benefits, including:

• Promoting relaxation and calmness without sedation

• Reducing stress and anxiety

• Supporting better sleep quality

• Enhancing focus, attention, and cognitive performance

• Synergistic effects with caffeine for mental alertness and focus

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3. How does L-Theanine work in the body?

L-Theanine influences the levels of key neurotransmitters such as GABA, dopamine, and serotonin in the brain. It also helps increase alpha brain wave activity, which is associated with a calm yet alert mental state. These mechanisms make it effective for promoting mental relaxation and focus.

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4. What applications is L-Theanine suitable for?

L-Theanine is widely used across multiple industries, including:

• Functional foods and beverages

• Dietary supplements (capsules, tablets, powders)

• Energy and relaxation drinks

• Cosmetics and personal care formulations

• Pharmaceutical and nutraceutical products

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5. What are the common specifications of L-Theanine?

Typical specifications include:

• Purity: ≥98% (HPLC)

• Appearance: White to off-white crystalline powder

• Solubility: Highly soluble in water

• Odor/Taste: Characteristic, slightly umami

(Customized specifications are available upon request.)

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6. What is the recommended dosage of L-Theanine?

The typical dosage for adults ranges from 100–400 mg per day, depending on the intended use (e.g., relaxation, focus, or sleep enhancement). Formulators may adjust dosage according to product design and regional regulations.

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7. Is L-Theanine safe?

Yes. L-Theanine is classified as Generally Recognized as Safe (GRAS) by the U.S. FDA and has been used safely for decades in food and supplements worldwide. It is non-toxic, non-addictive, and does not cause drowsiness.

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8. Can L-Theanine be combined with caffeine?

Yes. L-Theanine and caffeine are often combined to improve focus and alertness while reducing the jitteriness or overstimulation sometimes caused by caffeine alone. This combination is common in energy and cognitive enhancement products.

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9. How is your L-Theanine produced?

Our L-Theanine is produced using advanced enzymatic biosynthesis or green fermentation technology, ensuring high purity, excellent solubility, and consistent quality. The process is environmentally friendly and compliant with ISO, HACCP, and GMP standards.

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10. What packaging and storage conditions are recommended?

• Packaging: 1 kg/aluminum foil bag, 25 kg/drum, or customized packaging

• Storage: Store in a cool, dry, and well-ventilated area, away from direct sunlight and moisture

• Shelf Life: 24 months under proper storage conditions

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11. What certifications do you provide?

We provide comprehensive documentation, including:

• COA (Certificate of Analysis)

• MSDS

• TDS

• Non-GMO / Allergen-free statement

• ISO22000, HACCP, and GMP certifications

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12. Why choose your L-Theanine?

• Produced using clean and sustainable biotechnological processes

• High purity and batch-to-batch consistency

• Excellent solubility and stability for diverse formulations

• Global export experience with professional technical support

• Compliant with international safety and quality standards