Suntheanine is a patented, highly pure form of L-theanine, an amino acid found in green tea. A specialized production process replicates the natural compound, giving each batch uniform quality.
People take it for a calm but focused state that does not cause drowsiness. Many use it to handle everyday stress, sleep better, or keep their attention sharp.
Common timing is morning or afternoon for concentration, or 30 to 60 minutes before bedtime for relaxation. It mixes easily into a routine.
Pay attention if you take blood pressure medicine or sedatives. L-theanine can lower blood pressure or add to drowsiness. Anyone pregnant or nursing should talk to a healthcare professional before use.