L-Theanine 98% from Green Tea

L-theanine is a natural amino acid with a structure similar to the important neurotransmitter gamma aminobutyric acid (GABA) in the brain. Green tea is rich in content, with higher levels in tender leaves. It helps promote the production of calm alpha brain waves in the brain, thereby relieving stress and anxiety. It can also improve attention, concentration, and sleep quality. It has important effects on the flavor of tea and human health.

Theanine can promote the synthesis and release of inhibitory neurotransmitter GABA, helping to suppress overexcited neural signals; At the same time, it can increase the levels of pleasure related neurotransmitters such as serotonin and dopamine; It can also block the excessive stimulation of receptors by glutamate, reduce neuronal overexcitement, and have a calming effect without drowsiness. The ultimate goal is to achieve a comprehensive effect of relieving stress, improving sleep, enhancing attention, and relieving tension.

The main natural source of theanine is tea, especially green tea, which is the most abundant. Black tea, oolong tea, etc. also contain theanine, and some theanine is produced through microbial fermentation or chemical synthesis processes. Jayoo L-Theanine is from natural green tea. 

L-theanine is a naturally occurring amino acid, and its main food source is tea, especially green tea, which is also present in small amounts in certain edible fungi.

Application scenarios

Food and Beverage

Medical and Health Care

cosmetics

Pet Healthcare

Theanine is widely recognized as a highly safe natural amino acid, approved for use in food and dietary supplements by multiple countries worldwide. It is mild and non dependent, and is currently the lowest risk ingredient in mood regulation and sleep aid. It is suitable for long-term daily use by the vast majority of adults.