Quick view NOW Foods L-Theanine Double Strength 200mg - 60 Capsules MSRP: $44.90 Now: $35.90 Was: Now Foods Double Strength L-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... MSRP: $44.90 Now: $35.90 Was: Add to Cart Quick view Add to Cart