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GABA 4 is a unique formula containing Pharma GABA® and L-Tryptophan to support the inhibitory (calming) neurotransmitters serotonin and GABA.
PharmaGABA® is a natural form of GABA produced with the help of Lactobacillus hilgardii – a beneficial lactic acid bacteria used in the making of the traditional Korean vegetable dish known as kimchi. The essential amino acid l-tryptophan is a serotonin precursor. Research indicates that l-tryptophan supplementation may support emotional well-being and restful sleep. l-Tryptophan also supports healthy sleep quality, onset and duration.