L-theanine
Also known as: L-ε-ethylamino-γ-butyric acid, N-ethyl-L-glutamine, L-theanine hydrate, N-ethyl-L-glutamate, Theanine, Teeanine, Tean, Tianine
L-theanine is a natural amino acid primarily found in green tea leaves, renowned for its calming effects without inducing drowsiness, making it an ideal supplement for daytime use. Individuals seeking to manage stress and anxiety often turn to L-theanine due to its ability to foster a state of relaxation while maintaining alertness and focus. This unique quality allows users to experience a tranquil state of mind, promoting improved concentration and mental clarity, which is particularly beneficial for those with busy or demanding lifestyles. The calming effects of L-theanine are largely attr...
Potential Side Effects
Side effects score: 2; L-theanine is generally considered safe and well-tolerated, with few reported side effects. However, some individuals may experience mild effects such as headaches, dizziness, gastrointestinal discomfort, or changes in blood pressure.
Health Categories
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Research & Evidence
Our efficacy ratings are based on scientific research and clinical studies.
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