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SOWELO L-THEANINE is a dietary supplement containing L-Theanine, an amino acid popular for its relaxing and nervous tension lowering properties.
Theanine is present in green tea leaves, it is the main source of theanine.
L-Theanine has many beneficial properties for our body: 
L-Theanine has a great impact on reducing the level of stress, reducing anxiety and introducing into a state of deep relaxation.  The use of L-Theanine before bedtime allows you to fall into a deep and restful sleep – this makes rest more effective.
The use of L-Theanine is popular as a substance that alleviates the symptoms of neurosis, supports the treatment of depression, reduces the symptoms of schizophrenia, L-Theanine also improves mental abilities – it mainly owes its influence on increasing the levels of dopamine and serotonin in the brain.
Among other features of L-Theanine, it is worth paying attention to the properties that lower hypertension and regulate blood pressure. L-Theanine improves metabolism and supports the reduction of excess fat tissue, and when taken simultaneously with caffeine, it works synergistically and reduces fatigue even more, as well as improves alertness and concentration.
The effective dose of theanine starts from 150 to 600 mg, and reaches its peak 30-40 minutes after ingestion.