What Is DMAE?  DMAE (Deanol, dimethylethanolamine, dimethylaminoethanol) is a natural precursor of acetylcholine and nootropic found in food and in the body. Virtually all nutritional supplements include DMAE in the form of a dissolved salt of L-bitartrate. DMAE and choline have a similar structure, and DMAE is a choline with one remote methyl group. Both can increase the level of …