Used primarily in the treatment of thiamine (vitamin B1) deficiency conditions, particularly in cases of chronic fatigue, neuritis, and neurological disorders related to alcoholism. It is effective in improving nerve function and reducing symptoms of peripheral neuropathy due to its high bioavailability and ability to cross the blood-brain barrier. Commonly prescribed in some countries for cognitive support and to enhance mental performance in elderly patients. Also utilized in managing metabolic complications in diabetes, especially diabetic neuropathy, by supporting carbohydrate metabolism and nerve health.