Glycine is a conditionally essential amino acid that serves as aninhibitory and excitatory neurotransmitter. It is the chemically simplestand most ubiquitous of all the amino acids and combines with many toxicsubstances, converting them to harmless forms which are then excreted. This amino acid has a calming effect on the brain and is alsoinvolved in growth.127-148*Research suggests that glycine may help promote deeper sleep, faster,without the “morning hangover” effect associated withprescription or over the counter sleep medication.149,150 Glycinealso has a positive impact on attention and memory in adults.151,152* Glycine may also have bacteria regulating effects. Most people need to take between one to three grams of glycineto be effective. However, most glycine products are onlyavailable in 500 milligram capsules, which make taking higher dosescumbersome and costly. | 
