Allergy Research Group ARG 200 mg of Zen L-Theanine and GABA, 120 Capsules

Customers report that the supplement helps them relax and sleep without feeling groggy, and one customer mentions it provides relief from daily stress. The product is effective, with one customer noting it has dramatically improved their life, and customers appreciate that they can feel its effects kicking in. While some customers find it good value for money, others feel they wasted money on it.