L-Theanine

Product Name	L-Theanine
CAS No.	3081-61-6
MF	C7H14N2O3
MW	174.20
Purity	≥98.0% (HPLC)
Appearance	White to off-white crystalline powder
Packing	1kg/bag,25kg/drum
Apply	Cognitive support, energy metabolism, anti-aging

Product Detail

Shipping & Packaging

Product Detail

Product Description

L-Theanine is a naturally occurring amino acid predominantly found in green tea leaves. It is renowned for its calming effects without causing drowsiness and is widely used in dietary supplements and functional beverages.

Core physiological benefits:

Promotes relaxation by increasing alpha brain wave activity
Enhances focus and attention, especially when combined with caffeine
Supports stress management and reduces anxiety levels
Improves sleep quality without sedative effects
Neuroprotective properties for long-term cognitive health

Why Choose us?

Purity ≥98% confirmed by HPLC
Derived from high-quality green tea or via patented fermentation
Low heavy metal content, meeting international safety standards
Complies with GMP, ISO, and HACCP production requirements
Flexible supply chain with stable annual capacity

Certification of Analysis

Specification	Qualified Testing Result	Actual Testing Result	Test Method
Part 1. Physical & Chemical Analysis
Appearance	White to off-white crystalline powder	Complied	Visual
Odor	Characteristic	Complied	Organoleptic
Assay (HPLC)	≥98.0%	99.1%	HPLC
Loss on Drying	≤2.0%	0.4%	USP <731>
Residue on Ignition	≤0.1%	0.02%	USP <281>
Specific Rotation	+8.0° to +9.5°	+8.7°	USP
Part 2. Heavy Metal Analysis & Chemical Control
Total Heavy Metals	≤10 ppm	Complied	AAS
Lead (Pb)	≤3 ppm	<0.5 ppm	ICP-MS
Arsenic (As)	≤1 ppm	<0.1 ppm	ICP-MS
Cadmium (Cd)	≤1 ppm	<0.05 ppm	ICP-MS
Mercury (Hg)	≤0.1 ppm	<0.01 ppm	ICP-MS
Part 3. Microbiological Analysis & Control
Total Plate Count (cfu/g)	≤1,000	<100	USP <61>
Yeast & Mold (cfu/g)	≤100	<10	USP <61>
E. coli	Negative	Negative	USP <62>
Salmonella (per 25 g)	Negative	Negative	USP <62>