γ-氨基丁酸是一种非蛋白质氨基酸，广泛分布于微生物和动植物中，具有多种生物活性。γ-氨基丁酸具有抗糖尿病、抗高血压、保护肝肾、促进睡眠等活性。对γ-氨基丁酸的生物活性进行了总结，以期为后续γ-氨基丁酸的深入研究提供科学的依据。

Gamma-aminobutyric acid (GABA) is a non-protein amino acid found in a wide range of microorganisms, animals, and plants, and has a variety of biological activities. GABA has anti-diabetic, anti-hypertensive, liver and kidney protection, and sleep-promoting activities. This article summarizes the biological activities of GABA, in order to provide a scientific basis for the subsequent in-depth research of GABA.

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