GABA e L-teanina

L-teanina

Jarrow Formulas – Theanine, 100mg – 60 vcaps

L-teanina

NOW|NOW Foods – Double Strength L-Theanine, 200mg – 120 vcaps

L-teanina

NOW Foods – L-Theanine, Pure Powder – 28g

L-teanina

Swanson – Suntheanine L-Theanine, 100mg – 60 vcaps