L-Glutamine Powder is a pure free-form non-essential amino acid and is the highest grade available. Glutamine is considered to be a conditionally essential amino acid which means that under certain circumstances the body may require more Glutamine than it can produce. In the body Glutamine functions as a major nitrogen transporter and is critical for the maintenance of healthy nitrogen balance.* Glutamine also acts as the primary fuel for the rapidly growing cells of the immune system and GI tract.* Natural color variation may occur in this product. Take 1 rounded teaspoon in juice preferably between meals 1 to 2 times daily as needed.