Common "Theanine" queries answered by top doctors | iCliniq

Theanine

Theanine is an amino acid commonly found in tea and some mushroom varieties. It is available in two forms, L-Theanine and D-Theanine. This theanine works similarly to glutamate, a naturally occurring amino acid that helps transmit nerve impulses in the brain. L-Theanine reduces anxiety and promotes relaxation by reducing stress without causing sedation. The side effects of L-Theanine are nausea, stomach upset, and irritability.

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My friend takes L-Theanine for anxiety. Does it have any side effect?

Query: Hello doctor, My friend is 21 years old and suffers from anxiety. He feels like it is getting in the way of his daily activities and interactions with people. He used to get attacks more often but that is a lot better now. He decided to start taking L-Theanine pills or supplements. I would like t...  Read Full »


Dr. Parth Nagda

Answer: Hello, Welcome to icliniq.com. L-Theanine is an amino acid synthesized from tea. It helps with reducing stress and anxiety and induces a sense of calmness by increasing serotonin and dopamine in the brain which are the feel-good chemicals. As such, it is a supplement and not a medicine per se, so...  Read Full »

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