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The deficiency can be supplemented through dietary supplements and through food. Gamma aminobutyric acid, for example, can be found in natural food sources such as leafy vegetables, soybeans and broad beans, nuts, seeds, tomatoes and eggs. The microbiota in the gut related to the neurotransmitters also help improve overall gut health. For example, they reduce inflammation, intestinal permeability (leaky gut) and improve communication between intestines and brain. They especially help against depression.
Gnostotheca 6730