| Glycine is a conditionally essential amino acid that serves as aninhibitory and excitatory neurotransmitter. It is the chemicallysimplest and most ubiquitous of all the amino acids and combineswith many toxic substances,converting them to harmless forms which are then excreted. This amino acid has a calming effect on the brain and is also involvedin growth.127-148* Researchsuggests that glycine may help promote deeper sleep, faster, without the “morninghangover” effectassociated with prescription or over the counter sleep medication.149,150 Glycine also 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 glycine to beeffective. However, most glycine products are only available in500 milligram capsules, which make taking higher doses cumbersome andcostly. However, Life Extensions glycine comes in either 1000 mg easy-to-swallowcapsules or in powder form. | 
