Theanine, an amino acid found in tea, can relieve stress, improve cognition, and boost the immune system. It is generally safe, but pregnant and nursing women and those with liver or kidney disease should consult a doctor before taking it. While there are no known side effects, adverse effects may still occur.
Theanine is an amino acid often found in tea. Studies have shown that it can help relieve mental or physical stress and can even improve cognition, among other things. While some types of supplements have long lists of side effects associated with them, theanine is not one of them. A person can usually take theanine without fear of side effects. This does not mean that theanine side effects are impossible. It simply means that there is no scientific evidence that they occur. However, since each person can react to supplements differently, it is advisable to watch for signs of adverse effects while taking it and inform a doctor.
Theanine, which is often referred to as L-theanine, is a supplement used to support general good health and to prevent or help treat a variety of medical conditions. Theanine is an amino acid found in green tea. It is said to be useful for reducing stress and lowering anxiety levels. While it is useful as a calming agent, it does not normally make people drowsy like other relaxing substances.
In addition to its calming effects, theanine is said to facilitate the production of similar calming substances in the body, such as serotonin. It may also be useful for the treatment and prevention of things like high blood pressure, PMS, and cancer. This substance can even help boost the immune system and improve mental performance and concentration.
Although theanine has been in use for many years, there are no known side effects of theanine. This may lead people to believe that it is a 100 percent safe supplement, but that is a mistake. The lack of reported side effects from theanine simply means that adverse effects have not been shown in clinical studies or reported by health care providers. This does not mean that there are no potential theanine side effects. Furthermore, it is possible that continued studies of theanine may one day show evidence of adverse effects.
Interestingly, at least one study of rats given theanine produced significant cases of kidney tumors. However, the researchers believe that the tumors were caused by factors other than theanine exposure. Studies of rats exposed to theanine have not produced any other significant side effects.
Pregnant women and nursing mothers should consult their doctors before supplementing with theanine. The substance is generally considered safe, but its effects in pregnancy and while breastfeeding have not been extensively studied. Additionally, the kidneys and liver are important in processing excessive amounts of theanine and other supplements. As such, a person with liver or kidney disease should seek their doctor’s advice before using theanine as a supplement.
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