![]() That is interesting, because regular green tea consumption is known for it’s beneficial effects on the blood vessels. It can also help to lose weight ( R) and improve the health of the blood vessels ( R, R, R). In short, consuming L-theanine causes you to relax without making you drowsy, as it lowers your blood pressure as you’re less stressed. It can also reduce stress and anxiety ( R, R). Blocking the effects of glutamate stimulates the production of the neurotransmitter GABA, which has a stress-regulating quality and helps relieve anxiety 40. Theanine can enhance alpha wave activity in the brain which can help people to be more concentrated. For example, it could significantly decrease the size of cerebral infarcts one day after occlusion ( R). Theanine can protect the brain against cellular stress, induced for example by toxins or oxygen deprivation (ischemia) ( R, R, R, R). Pharmacology A methylxanthine that is the most widely used psychoactive substance it is present in coffee, tea, mat, soft drinks, cocoa, Excedrin, NoDoz, kola nuts, guarana products low doses20200 mg produce positive subjective effects, feelings of well-being, alertness, energy higher doses have adverse effectseg, nervousness. More specifically, theanine can inhibit crosslinks by using its free amino group to compete with proteins for the Maillard reaction of sugars, among other mechanisms ( R). This makes tissues more stiff and less flexible.įor example, crosslinking of collagen and elastin proteins in the skin and blood vessels makes these tissues less elastic and more stiff, contributing to wrinkles and high blood pressure. Theanine also inhibits formation of Advanced Glycation End products (AGEs) ( R).ĪGEs are crosslinks made of sugary molecules that link different proteins. ![]() ![]() L-theanine upregulates important aging-protective proteins, like FOXO1 and antioxidative enzymes. It also exists in tea, formerly known as 'theine' which is now known to be identical with caffeine both are expressed by the formula The Medicinal Plants of the Philippines Personally, I have noted different effects from caffeine vs. L-theanine significantly increases activity in the alpha frequency band which indicates that it relaxes the mind without inducing drowsiness. L-theanine may affect the levels of certain chemicals in the brain. L-theanine can extend lifespan in different organisms ( R, R, R). It’s one of the reasons why green tea is healthy. L-Theanine is a substance found in green tea. ![]() The role of theanine in aging and longevity
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