Betaine
Betaine is an amine found in licorice root, mints, and other plants. The hydrochloric salt of betaine is used in organic synthesis and in solders and other products. Betaine hydrochloride is also used therapeutically as a gastric acidifier and as an agent which corrects the fatty liver caused by choline deficiency.
References
Leung, Albert Y. 1980. Encyclopedia of Common Natural Ingredient used in Food, Drugs and Cosmetics. John Wiley and Sons, N Y. 409 pp.
Windholz, Martha, Susan Budavani, et. al. 1976. The Merck Index. Merck and Co., Inc. New Jersey.