Source Naturals L-Glutamine, Free Form Amino Acid That Supports Metabolic Energy*, 500mg - 50 Capsules

The brain needs glumatic acid as a fuel to power numerous brain functions but it cannot cross the blood brain barrier. l-Glutamine can more easily enter the brain and be converted into glutamic acid, a neurotransmitter believed to support mental alertness and mood Suggested Use: 1 capsule daily Allergies: Contains no yeast, dairy, egg, gluten, soy or wheat. Contains no preservatives, or artificial color, flavor or fragrance Over 40 Years of Trust. Source Naturals was created in 1982 by CEO Ira Goldberg to support everyone’s potential to enjoy optimal health Manufactured in the USA. Manufactured in Scotts Valley, CA, under the Good Manufacturing Practices (cGMPs) established by the US Food and Drug Administration (FDA)