GABA, or gamma-aminobutyric acid, is a neurotransmitter in the brain that helps regulate nerve activity. It acts as a calming agent, reducing feelings of anxiety and stress by inhibiting excessive brain activity. This makes GABA essential for maintaining a balanced mood and promoting relaxation. Many people seek to boost their GABA levels through supplements or foods rich in amino acids, which are the building blocks of neurotransmitters. Some studies suggest that increased GABA can improve sleep quality and enhance overall mental well-being, making it a popular topic in discussions about mental health and wellness.