The History of Theanine  

The history and discovery of theanine is a fascinating topic, as it sheds light on how this unique amino acid was first identified and its potential applications in the field of health and wellness.

In the mid-twentieth century, a team of Japanese researchers led by Sakato Takeo was conducting research on the chemical composition of tea leaves. They were particularly interested in the umami taste of green tea, which had long been a subject of fascination in Japanese culture. Umami is a savory, brothy taste that is often described as “meaty” or “earthy,” and is distinct from the four basic tastes of sweet, sour, salty, and bitter.

Through their research, Sakato and his team were able to isolate and identify a new amino acid in tea leaves, which they named theanine. They found that theanine was responsible for the unique umami taste of green tea, and that it was present in higher concentrations in shade-grown tea leaves than in those grown in full sun.

Since its discovery, theanine has been the subject of numerous studies and clinical trials to investigate its potential health benefits. Some of the most promising findings have suggested that theanine can help reduce stress and anxiety, improve cognitive function and focus, and even enhance sleep quality.

In addition to its potential health benefits, theanine has also been widely studied for its culinary applications. Its unique umami taste makes it a popular ingredient in savory dishes and snacks, particularly in Japan and other parts of East Asia.

Theanine has been found to have a number of potential health benefits. It has been shown to reduce stress and anxiety, improve cognitive function, and enhance sleep quality. It is believed that theanine works by increasing the levels of certain neurotransmitters in the brain, such as GABA, which have a calming effect on the body.

In addition to its calming effects, theanine has also been found to have antioxidant properties, which can help to protect the body against damage from free radicals. Studies have also suggested that theanine may have a role in preventing age-related cognitive decline and reducing the risk of certain diseases, such as cardiovascular disease and stroke.

Theanine has been extensively studied for its potential to reduce stress and anxiety, improve cognitive function, and enhance sleep quality. These benefits make it an ideal ingredient for the Bruut Focus and Bruut Relax bars, which are crafted with natural and safe ingredients to promote optimal health. By including Theanine in these bars, we can help our customers enjoy the benefits of this amino acid without the need to consume tea or take supplements separately. Whether you’re looking for a boost of energy or relaxation, Bruut Nutrition can help you achieve your goals in a natural and delicious way.

Bruut Nutrition Relax Bar 

Unwind & Recharge with Bruut Relax Bar!

Ashwagandha, L- Theanine, Lemon Balm


Unwind and recharge with Bruut Sleep Bar! Our unique formula of Ashwaganda, l-theanine and Lemon Balm helps you naturally reduce stress, restore vitality and get the rest you need. No more pills or powder supplements – Bruut Relax Bar is the only relaxation bar of its kind. Get ready to feel calmer and more relaxed – order now and start recharging!

Bruut Nutrition Focus Bar 

Boost Focus & Clarity Naturally

Guarana, Cacao Nibs, l-Theanine, l-Tyrosine


Feeling unfocused? Take control of your day with The Bruut Focus Bar! Our Superstack combination of Guarana, Cacao,Theanine and Tyrosine helps enhance your focus when you need it most. Whether you’re studying, at work or the gym, Focus Bar is the ultimate focus enhancer that will help you stay sharp.  Don’t wait — power up your day with The Bruut Focus Bar now!

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