Role of Amino acid in enforcing healthy sleep / wake up cycle.

GABA is an amino acid that also acts as the primary inhibitory neurotransmitter of the central nervous system.

This inhibitory action means that GABA is helpful in aiding relaxation and shortening the time it takes to fall asleep.

The body uses tryptophan to help make melatonin and serotonin.

• Melatonin helps regulate the sleep-wake cycle
• Serotonin is thought to help regulate appetite, sleep, mood, and pain.
• The liver can also use tryptophan to produce niacin (vitamin B3), which is needed for energy metabolism and DNA production.

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