L-theanine is a type of amino acid first discovered in green tea leaves. It decreases the neuronal excitement activity in the brain by blocking L-glutamic acid from attaching to glutamate receptors. This activity was discovered to have anti-stress and cognitive and mood-enhancing properties. In addition, serotonin and Dopamine levels have all been proven to be boosted by L-Theanine.

These neurotransmitters control the level amount of emotions, concentration, and mood of people. L-theanine reduces hyperactive brain chemicals while increasing alpha brain waves. All of this works together to improve calmness, focus, and imagination. Green tea theanine is beneficial for people to keep their minds relaxed.

Uses of Green Tea L-theanine

L-theanine is mostly designed to handle and help individuals relax, but it also has other beneficial properties, such as:

  • Relief from anxiety and stress

When you consume a hot cup of tea, it relaxes your `1mind, and studies show that it not only soothes the mind but also works in sound sleep. Research on L-theanine shows that it lowers stress and anxiety in adults encountering stressful conditions. Another study was done on people who have schizophrenia and schizoaffective disorders. L-theanine was discovered to reduce anxiety levels, and it relieves its symptoms.

  • Increased concentration

When L-theanine was combined with caffeine, it showed good performance when it came to improving focus and attention in people. Little research indicated that combining L-theanine with caffeine led many to focus better on stressful tasks. A regular cup of coffee contains 95 mg of caffeine. It also shows more alertness and less tiredness among the people.

  • Immunity boost

According to certain studies, L-theanine helps the immune system work better. It also helps to reduce respiratory infections in the human body. Another study discovered that green tea antioxidants help to prevent the flu. Green tea contains amino acids. L-theanine may aid in reducing inflammation in the intestines. However, more research is needed to validate these results.

  • Treatment for tumor and cancer

L-theanine is linked to the enhancement of a few chemotherapy medicines and anti-tumor properties. Scientists believe that L-theanine could also assist in combating cancer through chemotherapy which is a good and positive finding. However, there is no conclusive proof that tea can prevent cancer. However several studies have shown that those who consume tea regularly have a lower chance of having cancer. If women with ovarian cancer drink one cup of green tea regularly, they live longer than usual. There was another research done on both tea drinkers and non-drinkers, and the conclusion was that those who drank tea had a thirty-two percent low risk of pancreatic cancer.

  • Controlled blood pressure

L-theanine may be beneficial to people who have high blood pressure when they are stressed. According to a study, participants usually had more significant blood pressure after performing certain mental operations, and discovered that L-theanine helped their blood pressure. Caffeine also contains the same positive result, but it was less than L-theanine. It may be advantageous for getting good sleep and promotes relaxation.

Risks and adverse effects

There were no proven adverse effects from taking L-theanine. Tea and other consuming supplements are generally safe to take. However, it is worth noting that the FDA does not regulate supplements. It is the duty of manufacturers or those who produce the product to ensure that their items are safe for consumption. Some of these studies suggested that L-theanine has anti-tumor capabilities. Green tea containing amino acids can also include additional compounds that could be hazardous to cancer patients.

According to a renowned cancer-treating center, green tea can diminish the efficiency of several chemotherapy medications like bortezomib. As a result, anyone receiving chemotherapy and medicines should consult their doctors before incorporating green tea into their diet and treatment. Although no adverse effects have been recorded after consumption of L-theanine, it is preferable to consult the doctor first. There has not been detailed research that could prove its efficiency. It is advisable to seek advice on dosage from a medical professional.

Green tea L-theanine