L-Theanine with Suntheanine 150mg gives you a single active ingredient, Suntheanine branded L-theanine. L-theanine is an amino acid found naturally in tea and is commonly used for relaxation, stress support and a calm, clear headspace without heavy sedation.
Because the formula contains nothing else active, you know exactly what you are buying. That makes L-Theanine with Suntheanine 150mg useful if you want to try L-theanine on its own, whether for daytime composure, study support, or evening wind-down when your mind will not slow down.