GABA (gamma aminobutyric acid) is an amino acid which functions as an important neurotransmitter in the brain that inhibits glutamate activity to produce a calming and relaxing effect. As a result GABA can help decrease stress and anxiety.1
When GABA and glutamate are balanced the brain can function optimally and anxiety is minimized.2
1. Helps Improve Sleep
Everyone wants to improve sleep and GABA may be able to help.
In a 2019 study published in the journal of Pharmaceutical Biology on the effects of a GABA and l-theanine mixture on deep sleep (rapid eye movement sleep), researchers found that the mixture improved sleep quality and duration.3
Another study on a mixture of GABA and 5-HTP also found the mixture positively regulates sleep.4
Researchers in a 2018 study on 40 participants with primary insomina found GABA not only improved sleep quality but also sleep quantity without any severe adverse effects.5
GABA supplementation can help increase sleep quantity and quality.
2. Growth Hormone
GABA may also help increase the production of human growth hormone in the body by the pituitary gland.
In a double-blind placebo controlled study, researchers administered GABA to 19 participants and found that growth hormone levels were significantly elevated a few hours later.6
Researchers in another study reported that oral GABA supplementation raised peak human growth hormone concentration by about 400%. They also found that resistance exercise further modified this effect.7 The mechanism behind this could be rooted in the dopamine system via the release of dopamine at the suprapituitary level.8,9
Finally, the supplementation of GABA can improve muscle mass and decrease fat mass through it’s action on human growth hormone release.10
GABA helps increase the production of human growth hormone which can help increase fat loss and muscle mass.
Stress and anxiety are common conditions which can negatively impact a person’s life.
Researchers in a 13 person 2006 study on GABA administration found that GABA can work effectively for natural stress relief. They further claimed it could induce relaxation and reduce anxiety within 1 hour of supplementation.11
In another study in 2011, researchers noted that GABA can help alleviate stress caused by mental tasks.12
GABA can help alleviate stress and anxiety.
GABA is an important amino acid that may help with sleep, stress and help raise human growth hormone.*
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