GlycineThe amino acid glycine plays a key role in maintaining a healthy central nervous system (CNS).* It is considered one of the most important inhibitory neurotransmitters in the CNS, particularly in the brainstem and spinal cord.* Studies show glycine can help improve memory retrieval in individuals with a wide variety of sleep depriving conditions, such as jet lag and overwork.* The benefits of glycine are not just limited to the CNS. Glycine also plays