“Customers generally find Source Naturals Serene Science GABA Powder effective for relaxation and improving sleep quality. Many users appreciate its calming effects before bedtime, noting it helps them fall asleep faster and stay asleep without feeling groggy the next day. The product is praised for its pure, pharmaceutical-grade quality and lack of additives, which prevents issues like heartburn or stomach upset common with other GABA products. The powder form allows precise dosage control, making it convenient compared to tablets or capsules. Some users mix it with other supplements like taurine or kava for enhanced effects. While most reviews are positive, a few customers did not notice significant improvements in anxiety or sleep. The taste is described as slightly zingy but manageable. Overall, the product is considered high-quality, affordable, and effective for managing stress and anxiety.”