6. Broccoli
One way to increase GABA is to include broccoli in your daily diet. One cup of broccoli contains 740 mg of glutamic acid. It also has a huge serving of folic acid that aids in fighting depression. So if you want to be happy at all times, better eat a lot of broccoli.
7. Spinach
By eating spinach that contains 0.68 grams of glutamate per cup, you are increasing the GABA levels in your brain naturally. A diet rich in spinach can also prevent Alzheimer’s and Parkinson’s diseases. Spinach is the food of the brain; one portion of this leafy green is enough to keep your brain healthy.