Overview

Glycine is an amino acid. The body can make glycine on its own, but it is also consumed in the diet. Sources include meat, fish, dairy, and legumes.

Glycine is a building block for making proteins in the body. Glycine is also involved in transmitting chemical signals in the brain, so there's interest in using it for schizophrenia and improving memory. A typical diet contains about 2 grams of glycine daily.

People use glycine for schizophrenia, stroke, memory and thinking skills, insomnia, and many other purposes, but there is no good scientific evidence to support most of these uses.

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