Learn more about Theanine uses, effectiveness, possible side effects, interactions, dosage, user ratings and products that contain Theanine. L-theanine is an amino acid commonly found in tea leaves that’s been shown to improve sleep, reduce anxiety and stress and boost mental clarity and alertness. L-theanine is an amino acid in green and black tea and some mushrooms.

Understanding the Context

Learn about the possible benefits and side effects, as well as dosage information. Theanine supplements have been marketed with a variety of claims that they improve cognitive performance, reduce stress, improve sleep quality, and alleviate menstrual cramps. L-theanine is an amino acid found naturally in green and black teas. It is also a supplement and has benefits for anxiety, depression, immunity, and sleep.

Key Insights

L-theanine, a dietary supplement commonly used to support relaxation and sleep, is generally safe and tolerable when taken every day. It can cause side effects in some cases, though these are generally mild. L-theanine is one of the better-supported supplements for everyday stress and focus. It’s an amino acid found naturally in tea leaves, and clinical trials consistently show it promotes a calm, alert mental state without causing drowsiness. Learn about the potential benefits of L-Theanine including contraindications, adverse reactions, toxicology, pharmacology and historical usage.

Final Thoughts