L-Theanine is gamma-glutamylethylamide, an amino acid available in tea and also in a form of mushroom known as the basidiomycete mushroom. Among other properties it helps to promote a relaxed state, and is why tea is so refreshing and relaxing to drink. It also supports the immune system though its effect on a subset of T-cells (pun not intended) known as gamma delta T-cells. L-theanine boosts the ability of these lymphocytes to fight infection, increasing the production of antibacterial proteins by up to five times the normal concentration in blood.
Because L-theanine crosses the blood-brain barrier, it is considered a vitamin that helps to reduce stress, and works synergistically with caffeine to improve mood and memory. Another important property that L-theanine offers is a reduction in blood pressure, believed to be due an increase in dopamine that the amino acid promotes.
So next time you drink a cup of tea or pop a Theanine vitamin supplement, particularly from the Gyokuro leaf, you can relax in the knowledge that it is doing you a power of good through its L-theanine content. L-Theanine vitamin supplements are available at your internet vitamin store in easy to consume capsules.
*Statements contained herein have not been evaluated by the Food and Drug Administration. L-theanine is not intended to diagnose, treat and cure or prevent disease. Always consult with your professional health care provider before changing any medication or adding Vitamins to medications.
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