Why I, a pharmacist, recommend L-theanine for stress & sleep

Addressing Stress and Sleep Issues are Important

Stress and sleep problems are two of the most common health issues people face today. The impact of these issues can be significant, affecting our physical health, mental well-being, and overall quality of life. Despite the availability of effective treatments, many individuals struggle to find the help they need to manage these concerns. Factors such as stigma, lack of knowledge, access to care, and misconceptions about treatment options can make it challenging to seek and receive support. As a healthcare professional with over 45 years of experience, I’ve seen firsthand the negative impact that stress and anxiety can have on overall health and well-being. Many people turn to prescription medications to manage these conditions, but these can have harmful side effects and be addictive. In this article, I want to introduce you to an alternative solution that I often recommend – l-theanine, a natural supplement that can help support healthy sleep and manage stress in a safe and effective way.

What is L-theanine?

Green Tea L-theanine Concept

L-theanine is an amino acid that is found naturally in green tea leaves. It has been shown to have a calming effect on the brain and to promote relaxation without causing drowsiness. Research has also shown that l-theanine can help support healthy sleep by promoting a relaxed state of mind and reducing symptoms of anxiety. [1,2,3]

L-theanine Features:


L-theanine is an amino acid that is naturally found in green tea, black tea, and certain types of mushrooms.


L-theanine is a water-soluble compound that is easily absorbed by the body and can be taken as a supplement.

Non-drowsy, non-addictive

It does not cause drowsiness or impair cognitive function. It is non-addictive.

L-theanine Benefits:

Promotes relaxation

L-theanine is known for its ability to promote relaxation and reduce feelings of stress and anxiety.

Supports healthy sleep

L-theanine helps improve the quality of sleep by promoting relaxation and reducing stress.

Improves cognitive function

L-theanine has been shown to enhance attention, memory, and mental clarity.

One of the great things about l-theanine is that it is well-tolerated and has few, if any, side effects. Unlike prescription medications for anxiety and sleep, l-theanine does not cause dependence or addiction. It is also a safe supplement for most people, with few interactions with other medications.

L-theanine by Vital Nutrients

Vital nutrients l-theanine

For those looking to manage symptoms of stress, I recommend taking 200-400mg of l-theanine 3 times a day. L-theanine can be taken alone or combined with other natural supplements.

For those looking to support healthy sleep, I recommend taking 200-400mg of l-theanine 30 minutes before bedtime. L-theanine can be taken alone or combined with other natural supplements.

In conclusion, I often recommend l-theanine to my clients looking for a natural and safe way to manage stress and support healthy sleep. If you’re interested in learning more about l-theanine or other natural supplements, I encourage you to gives us a call, send us a message, or stop in. With the right support, you can manage symptoms of anxiety and promote healthy sleep, so you can feel your best every day

Don't want stress or to lose sleep over your purchase? We offer a 60-day money back guarantee!


  1. Lopes Sakamoto F, Metzker Pereira Ribeiro R, Amador Bueno A, Oliveira Santos H. Psychotropic effects of L-theanine and its clinical properties: From the management of anxiety and stress to a potential use in schizophrenia. Pharmacol Res. 2019 Sep;147:104395. doi: 10.1016/j.phrs.2019.104395. Epub 2019 Aug 11. PMID: 31412272.
  2. Camfield DA, Stough C, Farrimond J, Scholey AB. Acute effects of tea constituents L-theanine, caffeine, and epigallocatechin gallate on cognitive function and mood: a systematic review and meta-analysis. Nutr Rev. 2014 Aug;72(8):507-22. doi: 10.1111/nure.12120. Epub 2014 Jun 19. PMID: 24946991.
  3. Rao TP, Ozeki M, Juneja LR. In Search of a Safe Natural Sleep Aid. J Am Coll Nutr. 2015;34(5):436-47. doi: 10.1080/07315724.2014.926153. Epub 2015 Mar 11. PMID: 25759004.

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