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New Roots: L-Theanine. DESCRIPTION Theanine is an amino acid found in green tea, which crosses the blood-brain barrier to increase alpha brain-wave frequency. This helps ease anxiety and promote mental clarity and concentration. Theanine is the amino acid critical for its calming influence on cognitive function. It crosses the blood-brain barrier to help establish a state of relaxation while maintaining alertness. Upon exposure to the brain, it stimulates production of gamma-aminobutyric acid (GABA), the chemical produced by the brain that blocks excitatory stimuli that contribute to stress. Theanine follows a similar pathway to prescription drugs from the benzodiazepine group (Valium, Xanax), without the risk of harmful side effects or addiction. Studies have also shown ʟ‑theanine to encourage alpha wave activity associated with a state of serenity and mental clarity. It also insulates the nervous system from stress that can cause dangerous spikes in blood pressure, and carbohydrate cravings that result in accumulation of stubborn belly fat. DIRECTIONS OF USE Adults: Take 1 capsule daily or as directed by your health-care practitioner. WARNINGS Contains no: Gluten, soy, wheat, corn, eggs, dairy, yeast, citrus, preservatives, artificial flavour or colour, starch, or sugar. Do not use if seal is broken. Keep out of reach of children. INGREDIENTS Each vegetable capsule contains: ʟ‑Theanine 250 mg Other ingredients: Microcrystalline cellulose, vegetable magnesium stearate, and silicon dioxide in a non‑GMO vegetable capsule composed of vegetable carbohydrate gum and purified water.