Theanine is a natural amino acid that is primarily found in tea leaves, particularly in green tea. It is a non-protein amino acid, meaning it does not contribute to the formation of proteins in the body. Theanine is known for its unique chemical structure and properties that set it apart from other amino acids. Chemically, theanine is classified as an analog of another amino acid called glutamate. It shares some structural similarities with glutamate, which is an important neurotransmitter in the brain. However, theanine acts differently in the body compared to glutamate. Theanine is believed to have a calming effect on the mind and body without causing drowsiness. It is thought to promote relaxation by increasing the production of certain neurotransmitters, such as dopamine, serotonin, and gamma-aminobutyric acid (GABA). These neurotransmitters play crucial roles in regulating mood, cognition, and sleep. Theanine is also known to have a synergistic relationship with caffeine. When consumed together, theanine can help reduce the jittery and anxious side effects commonly associated with caffeine consumption. This is why some people prefer drinking green tea, which contains both theanine and caffeine, as it provides a more balanced and focused energy boost. Apart from tea, theanine can also be found in certain mushrooms and some species of seaweed. It is available in supplement form for those who wish to experience its potential benefits. However, it is important to note that theanine supplements should be taken responsibly and in consultation with a healthcare professional.

Expert Recommendations:

Dr. Andrew Huberman recommends reducing exposure to blue light at night and maintaining a consistent sleep schedule to support sleep.¹

What are the Health Benefits of Theanine Compared to Tongkat Ali?

The natural benefits of tongkat ali include improved mood, reduced stress, and enhanced cognitive function. On the other hand, theanine is known for promoting relaxation and reducing anxiety. Both of these natural ingredients offer unique health benefits, making them popular choices for those looking to improve their overall well-being.


• Reduces stress and anxiety • Promotes relaxation and calmness • Improves sleep quality • Enhances focus and concentration • Boosts mood and overall well-being • Increases mental clarity and alertness • Supports cognitive function and memory • Reduces symptoms of depression • Balances neurotransmitters in the brain • Helps regulate blood pressure and heart rate


• Consult with a healthcare professional before taking Theanine, especially if you have any pre-existing medical conditions or are taking any medications. • Theanine may interact with certain medications, including blood pressure medications, stimulants, and sedatives. It is important to discuss potential interactions with your healthcare provider. • Pregnant or breastfeeding women should avoid taking Theanine as there is limited research on its safety during these stages. • Theanine may cause drowsiness or sedation, so it is important to avoid activities that require alertness, such as driving or operating heavy machinery, until you know how it affects you. • Some individuals may experience gastrointestinal side effects such as stomach upset, nausea, or diarrhea. If these symptoms occur, it is advisable to discontinue use and consult a healthcare professional. • Theanine may interact with caffeine or other stimulants, potentially enhancing their effects. If you consume high amounts of caffeine or other stimulants, it is recommended to monitor your intake while taking Theanine. • Theanine may have an additive effect with medications or supplements that lower blood pressure. If you are taking any blood pressure-lowering medications or supplements, it is important to monitor your blood pressure regularly. • Theanine is generally considered safe when taken in appropriate doses, but it is always best to follow recommended guidelines and not exceed the recommended dosage without consulting a healthcare professional.


1. Rational Supplementation for Health & Performance

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