Aminobutyric acid supplementation may cause constipation, but it is uncommon. Aminobutyric acid, a naturally occurring non-protein amino acid, is mainly found in the mammalian central nervous system as an important inhibitory neurotransmitter, which mainly has the functions of promoting body metabolism, improving memory, delaying nerve cell aging, anti-anxiety, and regulating blood pressure. Aminobutyric acid supplementation in excess can also have adverse effects, commonly including central inhibition, hypotension, anorexia nervosa, etc. Constipation can also be present, but it is not common. 1. Aminobutyric acid is a strong neuroinhibitory amino acid with sedative and hypnotic effects. If too much of it is taken, it will produce central inhibitory effects, and symptoms such as nervous fatigue, sluggishness, drowsiness, and coma can occur. 2. Aminobutyric acid can lower blood pressure, but if you take too much of it, it will make the blood pressure drop too fast, so that the blood pressure will be lowered rapidly, causing adverse body reactions. 3. Excessive intake of Aminobutyric Acid can cause adverse reactions such as anorexia nervosa. 4. Excessive intake of Aminobutyric Acid can cause constipation, but it is generally rare, and the symptoms can disappear after the body tolerates it. Aminobutyric acid supplementation can cause constipation, but it is uncommon. Generally, the body can tolerate, the symptoms can disappear, you can also take some drugs to promote defecation, such as aloe vera capsules, etc., the specific circumstances still need to consult a doctor, under the guidance of the doctor to take medication.