L-Theanine
The active isomer of theanine found naturally in tea and used as a dietary supplement
Amino Acids
Non Essential Amino Acids
Research: Extensive
Scientific Name
L-Theanine (N-ethyl-L-glutamine)
Classifications
Absorption:
intestinal
Source:
natural_or_synthetic
Type:
non-protein_amino_acid
Benefits
- Promotes relaxation without sedation
- Supports stress management
- Enhances focus and attention
- Supports cognitive function
- Promotes healthy sleep quality
- May support cardiovascular health
Specific Properties
- Crosses the blood-brain barrier within 30-45 minutes
- Structurally similar to glutamate and GABA
- Promotes alpha brain wave activity
- Influences levels of neurotransmitters including GABA, dopamine, and serotonin
Safety Notes
Generally recognized as safe. Well-tolerated with minimal side effects even at higher doses. Safe for most people when used as directed. No significant drug interactions known, though it may enhance the calming effects of certain medications.
Related Products
About Theanine
An amino acid naturally found in tea leaves that promotes relaxation without drowsiness, supports cognitive function, and helps manage stress
Back to TheanineForms of L-Theanine
Pure L-Theanine
Pharmaceutical-grade L-Theanine typically produced via fermentation or chemical synthesis
Amino acids
Non essential amino acids
Research: Extensive
Suntheanine®
A patented form of L-Theanine produced via an enzymatic process
Amino acids
Non essential amino acids
Research: Extensive