L-Theanine is an herbal supplement offered by Olympian Labs. It’s an amino acid found in green tea and it’s considered a powerful antioxidant. The product aims to help the body reduce problems of the digestive and urinary tract. It can also relieve symptoms of PMS in women, reduce stress, improve learning abilities and concentration, control hypertension and support the immune system. L-Theanine is a “feel good” supplement that causes no adverse reactions.
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