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Gamma-aminobutyric acid, or GABA, is a neurotransmitter that sends chemical messages through the brain and the nervous system, and is involved in regulating communication between brain cells.
The role of GABA is to inhibit or reduce the activity of the neurons or nerve cells.
GABA plays an important role in behavior, cognition, and the body's response to stress.
Research suggests that GABA helps to control fear and anxiety when neurons become overexcited.
Lower-than-normal levels of GABA in the brain have been linked to schizophrenia, depression, anxiety, and sleep disorders.
GABA supplements, taken alone or in combination with other ingredients, are marketed widely for use in treating depression, anxiety, and insomnia.
While a few small studies have suggested that GABA supplements may help to lower anxiety levels, there is little scientific evidence to support these overall claims.
GABA supplements may increase levels of the chemical circulating in the blood, but there is little evidence to suggest that circulating GABA can pass through the blood-brain barrier and increase GABA levels in the brain.
More about GABA from Dr. Jeff Morrison:
GABA levels. If you have low GABA levels, You're gonna have, you are going to be anxious. Definitely will not be sleeping well, and this is gonna be really important because, again, you have to control your blood sugar. That's what we just showed on the other slide. And there's also other things that we can do to improve how we sleep with certain amino acids. Okay? These are other symptoms that people would get with low levels. Trembling, flushing, tachycardia, heart palpitations, cold and clammy, carbohydrate cravings. Don't these symptoms sound familiar? Sounds like hypoglycemia. If you take theanine before you go to bed, about an hour before bedtime, it definitely helps with sleep and the other thing, is that if you take theanine and 5HTP which we're going to get to, together, you are gonna sleep like you've never, you're gonna be like, sleeping beauty. at Los Angeles, California