Dietary supplement. Dimethylaminoethanol Bitartrate. Enhances mental concentration. DMAE is naturally found in some foods. It is a highly bioactive nutritional precursor to acetylcholine, a key neurotransmitter. DMAE has been found to enhance mental concentration (These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose treat, cure or prevent any disease). Hypoallergenic: Contains no yeast, dairy, egg, gluten, corn, soy or wheat. Contains no sugar, starch, salt, preservatives, or artificial color, flavor or fragrance.