Hunan, China
Business Type:
Manufacturer/Factory, Trading Company
Registered Capital:
500000000 USD
Plant Area:
>2000 square meters
Management System Certification:
ISO 9001
Average Lead Time:
Peak season lead time: within 15 workday
Off season lead time: within 15 workday
OEM/ODM Service
Sample Available
Overseas Agent / Branch

Theanine, Plant Extract, Herbal Extract manufacturer / supplier in China, offering Theanine/L Theanin/Green Tea Extract Theanine, White Kidney Bean Extract 1%, 2% Phaseolin, 100% Natural Nettle Extract, Nettle Extract Powder Beta-Sitosterol 1%-3%Nettle Root Extract and so on.

Gold Member Since 2007
Audited Supplier
Supplier Homepage Products Plant Extract Theanine/L Theanin/Green Tea Extract Theanine

Theanine/L Theanin/Green Tea Extract Theanine

Get Latest Price
Min. Order / Reference FOB Price
1 kg US $1/ kg
Port: Changsha, China
Production Capacity: 50000kg
Payment Terms: L/C, T/T, Paypal
Certification: ISO, FDA, Kosher
Assay Method: HPLC, UV
Application Form: Tablet, Capsule
Application: Food, Health Care Products, Medicine
State: Powder
Extract Source: Green Tea

You Might Also Like


Basic Info

Model NO.: CAS No.: 3081-61-6
Type: Herbal Extract
Raw Material: Plants
Trademark: Kingherbs
Transport Package: 25kg/Drum
Specification: KOSHER ISO: 9001
Origin: China
HS Code: 2938909090

Product Description

Common Name: Suntheanine.
Green Tea Extract
Botanical Source: Camellia sinensis O. Ktze.
Part Used: Leaf
CAS No.: 3081-61-6
Specification: L-Theanine 20% ~ 98%

L-theanine is a non-protein amino acid mainly extracted from green tea, it is the predominant amino acid in green tea. L-theanine is considered the main component responsible for the taste of green tea, L-theanine is a nutritional supplement for mood modulation. It inhibits glutamate transport into tumor cells, which causes decreased intracellular glutathione (GSH) levels.
KINGHERBS can offer 20% ~ 99% L-Theanine with very competitive prices. L-theanine may have activity in modulating the metabolism of cancer chemotherapeutic agents and ameliorating their side effects.

The antioxidant activity; Anti-cancer;
In the brain L-theanine increases dopamine and serotonin production;
L-theanine induces alpha-brain wave activity, which correlates with a perceived state of relaxation.
L-theanine helps curb a rising heart rate and blood pressure, and a few small human studies have found that it reduces anxiety;

Side Effects and Toxicity:
L-theanine is generally well tolerated, and has an LD50 of greater than 5, 000 mg/kg in rats. It is not mutagenic or carcinogenic in animals or bacteria.

Dosage and Administration:
For relaxation, 200 mg L-theanine can be taken 2-3 times daily. For cancer in conjunction with chemotherapy the dose is speculative, as no human studies have been performed. However, a dosage of 400-800 mg three times daily can be used safely.

*Herbal Extract
* Herbal oil
*Natural color
*Herbal powder
*Vegetable & Fruit powder
*Vitamin & Mineral
*Pharmaceutical Application
*Food Supplement Application


Exhibition 2014
1. Vitafoods Europe 6-8 May 2014, Booth No.: C1-24006.
2. SupplySide West (Las Vegas, US), 8-9 Oct. 2014, Booth No.: 20028.

Exhibition 2015
Vitafoods Europe (Palexpo, Geneva, Switzerland), 5-7 May 2015, Booth No.: C1-24006.

Theanine/L Theanin/Green Tea Extract Theanine
Theanine/L Theanin/Green Tea Extract Theanine

Send your message to this supplier

avatar Ms. Monica Wen

Enter between 20 to 4,000 characters.

This is not what you are looking for? Post a Sourcing Request Now