L-Theanine for Panic Attacks
Amino acid from tea leaves that crosses the blood-brain barrier and increases alpha-wave brain activity; promotes calm alertness without sedation, often paired with caffeine.
The connection
Sudden episodes of intense fear with physical symptoms — racing heart, shortness of breath, dizziness.
Also known as: Theanine, L-gamma-glutamylethylamide
L-Theanine × Panic Attacks: at a glance
Every published result for this pair, extracted and audited.
L-Theanine / Panic Attacks: publication years
What this means: Counts describe research quantity, not treatment effectiveness or certainty.
| Category | Publications (count) |
|---|---|
| 2020 | 1 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 1 |
| 2026 | 1 |
L-Theanine × Panic Attacks: the evidence base
Hand-selected PubMed studies, linked to the originals.
Ordered by strength of evidence, then result direction.
01Integrative Systematic Review on Pharmacological, Psychotherapeutic, and Neurostimulatory Treatment Options in Treatment-Resistant Anxiety DisordersSchiele MA, et al. · Psychotherapy and psychosomatics · 2026PMID 40946318 ↗02Efficiency of Different Supplements in Alleviating Symptoms of ADHD with or Without the Use of Stimulants: A Systematic ReviewAl Shahab S, et al. · Nutrients · 2025PMID 40362791 ↗03The effects of L-theanine supplementation on the outcomes of patients with mental disorders: a systematic reviewMoshfeghinia R, et al. · BMC psychiatry · 2024PMID 39633316 ↗04Association between sleep pattern and pharmacological treatment in children with attention deficit disorder with hyperactivity: a systematic reviewRocha NS, et al. · Revista paulista de pediatria : orgao oficial da Sociedade de Pediatria de Sao Paulo · 2023PMID 37255110 ↗05Medicinal herbs for the treatment of anxiety: A systematic review and network meta-analysisZhang W, et al. · Pharmacological research · 2022PMID 35378276 ↗06The Effects of Green Tea Amino Acid L-Theanine Consumption on the Ability to Manage Stress and Anxiety Levels: a Systematic ReviewWilliams JL, et al. · Plant foods for human nutrition (Dordrecht, Netherlands) · 2020PMID 31758301 ↗Community experiences
Contributors volunteered; this does not establish treatment effectiveness or population incidence.
Reported changes
No publishable community breakdown is available. This does not establish that no reports exist.