Aminobutyric acid should not be taken for long periods of time, as long-term use may lead to drowsiness and weakness, low blood pressure, and other problems. 1. Drowsiness and fatigue: Aminobutyric acid is an important inhibitory neurotransmitter in the brain, which can reduce neuronal activity and prevent nerve cells from being over-temperatureed, and thus has a tranquilizing, sedative and hypnotic effect. Long-term overdose of aminobutyric acid, due to its central inhibitory effect, there may be drowsiness, fatigue, sluggishness and other side effects. 2. Low blood pressure: Aminobutyric acid can act on the vasomotor center of the medulla oblongata, and at the same time inhibit the activity of antidiuretic hormone and posterior lobe pressin, so that vasodilatation and increased urinary output, and then reduce blood pressure. Long-term use of aminobutyric acid may keep blood pressure at a low level for a long time, resulting in side effects such as chest tightness and dizziness. Aminobutyric acid is an amino acid drug. Short-term administration may increase glucose pyrophosphorylase activity, promote brain tissue metabolism, and improve hemiplegia, memory impairment, and speech disorders caused by cerebrovascular disorders. Long-term consumption of Aminobutyric Acid may cause a series of side effects, including central inhibition and lowering of blood pressure.