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GABA Brain Food™ is designed to support the normal, healthy production of GABA, a neurotransmitter essential to mental calmness.
Research suggests that the natural compounds in GABA Brain Food™ may help reduce temporary feelings of stress, as well as promote relaxation and improve sleep. +
The benefits include:
This natural formula contains the necessary precursors and cofactors for optimal GABA availability.
Relax and Unwind with GABA Brain Food™
GABA Brain Food users report:
The neurotransmitter GABA acts like a “brake” to keep excitation in check. Too much excitation can lead to irritability, restlessness, and sleep disruption to name a few. GABA’s role as the main inhibitory neurotransmitter helps provide this function in the human body.
GABA is what is known as a self-inhibiting compound. This means, when you take more GABA than your body needs, it blocks its own transport into the brain to maintain constant, normal GABA concentrations. To circumvent this mechanistic limitation, we included the ingredients L-Citrulline, Rosmarinic Acid, and Grape Seed Extract. These natural ingredients work synergistically to both increase GABA’s transport into the brain and work to sustain elevated concentrations of GABA.
The main challenge in increasing brain levels of GABA via supplementation is circumventing the molecule’s inherent self-inhibiting characteristic. It is suggested that increasing GABA’s permeability across the blood-brain barrier is an effective target to increase brain levels of GABA. One way to do this is to increase vasodilation by upregulating nitric oxide (NO) production in the body.
L-citrulline is a precursor to the amino acid, L-Arginine, which has a potent effect on stimulating NO production. Additionally, grape seed extract has been shown to increase the production of Endothelial Nitric Oxide Synthase (eNOS), an enzyme used to generate NO from L-Arginine.
Once GABA is made more permeable and able to freely cross the blood-brain barrier with increased NO production, it is naturally broken down by the enzyme GABA-Transaminase (GABA-T). To attenuate the degradation of GABA by GABA-T we incorporated rosmarinic acid into our formulation, which has an inhibitory effect on GABA-T, thus allowing for sustained, elevated levels of GABA in the brain for a longer period of time.
Gamma-Aminobutyric Acid is a naturally occurring neurotransmitter with central nervous system (CNS) inhibitory activity. Gamma-aminobutyric acid (GABA), converted from the principal excitatory neurotransmitter glutamate in the brain, plays a role in regulating neuronal excitability by binding to its receptors, GABA-A and GABA-B, and thereby causing ion channel opening, hyperpolarization and eventually inhibition of neurotransmission. 
GABA acts to slow down signals between neurons, making neurons less electrically excitable. 
Studies also show that It plays a role in neuronal stem cell differentiation, possibly giving it an important role in adult brain plasticity. 
Recently, research showed that with an increase in nitric oxide, GABA could more easily cross the blood brain barrier. Nitric oxide also causes GABA release in the hippocampus . In a recent study, GABA supplementation by itself increased brain GABA 33%, but when combined with L-arginine, a stimulator of nitric oxide, brain GABA rose 383.3%. 
We chose to use L-Citrulline as the NO-booster in GABA Brain Food because it has been shown to be a more effective NO booster than L-Arginine [6,7,8,9]
Rosmarinic acid, present in rosemary, lemon balm, and other herbal agents known for their calming properties, inhibits GABA-transaminase, which slows the breakdown of GABA 
Grape Seed Extract
Grape Seed Extract can also upregulate the eNOS enzyme for a further boost to nitric oxide 
The National Center for Complementary and Integrative Health (NCCIH) is currently supporting research and studies on other potential abilities of grape seed extract to support healthy cellular function. 
GABA Brain Food’s functional ingredients are careful selected and formulated to promote optimal mental performance:
As the main inhibitory neurotransmitter, GABA’s role in the brain is to act like a “brake” and balance excitement. GABA is associated with normal restful sleep, relaxation, healthy movement and state of mind. [1,2]
Found in rosemary, sage, mint and basil, rosemarinic acid is a naturally occurring polyphenol flavonoid. It is also found in lemon balm and is used in aromatherapy to promote feelings of calm and relaxation.* 
Grape Seed Extract
First developed in the 1970’s grape seed extract contains the antioxidant compound oligomeric proanthocyanidin (OPC) which has shown promise as a dietary supplement to support healthy cellular function.* 
L-citrulline is an amino acid found in watermelon, dairy, beef, poultry and pork. When taken as a supplement, L-citrulline is converted into L-arginine by the kidneys. + 
This innovative formula provides natural ingredients from vitamins, minerals, and amino acids that our bodies use as precursors and cofactors to support normal, healthy function of neurotransmitters.
SUGGESTED USE: Take a serving of 1 or 2 capsules as needed, or as directed by a healthcare practitioner. Do not take more than 2 capsules per day.U.S.A manufactured in a cGMP and NSF certified facility. Natural Stacks proudly uses only the highest quality ingredients.
Natural Stacks formulas contain premium ingredients which are carefully selected solely on the basis of quality and purity. We actively seek out the most bioavailable forms of each ingredient, and avoid the cheap synthetic forms used by the majority of supplement companies.Learn More
Most companies use "proprietary blends" so they don't have to tell you the amount of each ingredient in their formulas. At Natural Stacks we believe it's your right to know exactly what you're putting into your body. We proudly publish our innovative formulas in an open source format.Learn More
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