This compound is primarily utilized in the pharmaceutical industry as a choline salt of tartaric acid. It serves as a precursor in the synthesis of acetylcholine, a critical neurotransmitter involved in muscle activation and cognitive functions. Its application extends to the treatment of neurological disorders, such as Alzheimer's disease, where it helps in enhancing memory and learning capabilities. Additionally, it is used in dietary supplements to support liver health and improve fat metabolism. In the field of biochemistry, it acts as a stabilizing agent in the preparation of various enzymatic reactions, ensuring optimal conditions for enzyme activity.