High Purity L-Theanine for Stress Relief and Cognitive Support Theanine CAS 3081-61-6

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Hubei Sanxin Pharmaceutical Technology Co., Ltd.

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L-theanine 01
ISO, FDA
HPLC, UV
Paste, Tablet, Capsule
Food, Health Care Products, Medicine
White
Powder
Theanine
L-Theanine
3081-61-6
C7h14n2o3
White Crystalline Powder
Freely Soluble in Water
36 Months
Cool (≤25°c), Dry, Protected From Light
ISO 9001, FDA Gras, Kosher, Halal
HPLC-UV (210 Nm Detection)
SANXIN
1kg
98% purity L-theanine
China
Product Description

Product Description

L-Theanine (C7H14N2O3, CAS 3081-61-6) is a premium non-protein amino acid naturally derived from green tea (Camellia sinensis), renowned for its ability to promote relaxation without drowsiness, enhance focus, and support cognitive performance. Our Suntheanine®-grade L-Theanine, produced via advanced enzymatic fermentation, guarantees ≥98% purity (HPLC-verified) and compliance with FDA GRAS, EU Novel Food, and Kosher/Halal standards. Ideal for dietary supplements, functional foods, and beverages, it bridges the gap between mental clarity and calmness.

Detailed Photos




Product Parameters

Key Features & Benefits

Stress Reduction: Modulates alpha brain waves to induce relaxation without sedation.
Cognitive Enhancement: Improves attention, memory, and task accuracy under stress.
Synergistic with Caff.: Balances energy and jitters in coffee/energy drink formulations.
High Purity & Safety: Non-GMO, allergen-free, and free from residual solvents.
Versatile Applications: Stable in heat, pH variations, and compatible with multiple delivery forms.
Clinically Researched: Backed by over 50 human studies on efficacy and safety.

Applications

  • Dietary Supplements: Stress-relief capsules, sleep aids, and nootropic stacks.

  • Functional Beverages: Calming teas, energy drinks, and cognitive-enhancing shots.

  • Confectionery: Gummies, chewables, and sublingual strips for rapid absorption.

  • Sports Nutrition: Post-workout recovery blends to reduce cortisol levels.

  • Pet Supplements: Anxiety relief formulations for dogs and cats.

ParameterSpecificationTest Method
Chemical NameL-Theanine (γ-Glutamylethylamide)USP-NF
CAS Number3081-61-6Chemical Abstracts Service
Molecular FormulaC7H14N2O3High-Resolution Mass Spectrometry (HRMS)
Purity≥98%HPLC-UV (210 nm detection)
AppearanceWhite crystalline powderVisual inspection
SolubilityFreely soluble in waterUSP <1231> (25°C, 1% solution)
Optical Rotation+7.5° to +8.5° (20°C, 1% in H2O)Polarimetry (JP 17)
Heavy Metals≤10 ppm (Pb, As, Cd, Hg)ICP-MS
Loss on Drying≤0.5%Karl Fischer titration
Residual Solvents<50 ppm (Ethanol)GC-FID
Microbial LimitsTPC <1000 CFU/g; E. coli: AbsentISO 4833-1
Shelf Life36 monthsAccelerated stability testing
StorageCool (≤25°C), dry, protected from light-
CertificationsISO 9001, FDA GRAS, Kosher, HalalThird-party audits

Certifications

Company Profile

 
Hubei Sanxin Pharmaceutical Technology Co., Ltd is a wholly-owned subsidiary of Hubei Sanxin Biotechnology Co., Ltd. Which was established in March 2011, located in Dongcheng Industrial Park, Fangxian, Shiyan City. Our company owns first -class production equipment with the latest technology and testing methods. We specialize in scientific research, development, production, and sales all as one national high-tech enterprise, We also be known for agricultural leading enterprises in Shiyan City. We have GMP planting base with more than 4942 acres, 2 automatic production lines, which can produce more than 800 tons of plant extracts annually. The company has passed FDA certification and Kosher and Halal certification.

  Sanxin′s main products are: Polygonum Cuspidatum Extracts (resveratrol, Polydatin, emodin, Physcion and proportional extracts of Polygonum cuspidatum); Pueraria Extracts (pueraria isoflavones, puerarin); Olive Leaf Extract(Oleuropein, Hydroxytyrosol); Tea extract; Baicalin and other standard extracts and proportional extract products. Our products have been widely used in food, health care products, medicines, cosmetics, veterinary medicine, feed additives and many other fields. Now company′s products have been sold to Hunan, Tianjin, Beijing, Shanghai and other places, some of the products have been exported to the United States, Canada, UK, Japan, and other more than 30 countries. Sanxin company′s main spirit is: Be honest be Trustworthy, win-win cooperation! Welcome to our company!
  For more information, samples, or to place an order, please contact us. We look forward to partnering with you to deliver high-quality resveratrol powder that meets your needs!

Our Advantages

Why Choose Us?

Suntheanine Quality: Patented fermentation process ensures ≥98% L-Theanine (no D-isomer).
Global Compliance: Meets FDA 21 CFR §172.320, EU Regulation (EC) No 258/97, and China GB 31644.
Technical Expertise: Formulation support for bioavailability enhancement (e.g., liposomal delivery).
Sustainable Sourcing: Eco-friendly production with carbon-neutral certification.

Request samples or COAs to elevate your stress-relief and cognitive health formulations!

FAQ

1. How does L-Theanine promote relaxation?
It increases alpha brain wave activity, inducing a state of relaxed alertness by modulating neurotransmitters like GABA and serotonin.

2. Is L-Theanine safe for daily use?
Yes, clinical studies support safety at doses up to 400 mg/day with no dependency or tolerance.

3. Can it be combined with caff.?
Absolutely. L-Theanine (100-200 mg) + caff. (50-100 mg) enhances focus while reducing jitters.

4. Is this product vegan-friendly?
Yes, derived from plant-based fermentation and free from animal ingredients.

5. What is the recommended dosage?
Typical dose: 100-400 mg/day, adjusted for stress management or cognitive goals.

6. How is purity verified?
Each batch undergoes HPLC, ICP-MS, and microbial testing, with Certificates of Analysis (COAs) provided.

7. Does L-Theanine cause drowsiness?
No, it promotes relaxation without sedation, making it suitable for daytime use.

8. Can you provide private labeling?
Yes, we offer OEM/ODM services, including custom dosage forms (powder, capsules, liquids) and packaging.

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