NOW Foods Double Strength L-Theanine, 200mg - 60 vcaps

Double Strength
Promotes Relaxation
Healthy Vascular Function 
With Inositol 

Theanine is a unique amino acid found naturally in the tea plant (Camellia sinensis). Theanine promotes relaxation while maintaining alertness and promotes healthy cognitive function. Theanine may also support healthy vascular function through this relaxing effect.