Sulbutiamine, the active component of Arcalion 200 mg, is a synthetic form of thiamine, or vitamin B. By boosting energy, focus, and physical and mental power, it alleviates the symptoms of weakness. In addition to stabilizing sleep patterns, it can make the patient more alert, less drowsy, and happier. Patients with a variety of ailments, including asthenia, depression, fibromyalgia, diabetes, hypothyroidism, chronic fatigue, and renal illness, are prescribed the medicine.