L-Theanine

What is L-Theanine?

L-theanine (also known as just theanine) is an amino acid found in tea and is used in dietary supplements. L-theanine is an amino acid found in tea. It is not essential for human nutrition. L-theanine supplements are often claimed to be beneficial for the following conditions:
 

• Anxiety
• High blood pressure (hypertension) 
• Alzheimer's disease.
  

There is also some interest in using L-theanine to boost the effectiveness of certain chemotherapy medications for treating cancer. Early research is also evaluating L-theanine for preventing liver damage due to excessive alcohol poisoning.

The problem with finding out the exact benefits of L-theanine is that most of the claimed benefits are not based on scientific research. You should be wary of any claims by supplement manufacturers that are not backed up by any scientific studies.

Side Effects and Warnings of L-Theanine

Make sure to let your healthcare provider know if you develop any side effects that you think may be related to L-theanine. Your healthcare provider will likely be interested in such possible side effects and may even want to report such side effects.

However, being a mainly tea extract, L-Theanine has no known side effects.

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