Glcyine is an additive used for a number of things but the maximum uses are related to medical purposes. These include schizophrenia, brain stroke and other diseases related to the brain. Glycine can help you if you are facing problems related to mental functioning. It increases the brain power and the level of intelligence level. If you are suffering from schizophrenia, this is a good way to get treated. However, this substance also has a number of side effects.