What is vitamin b1 prescribed for?

Thiamine: Vitamin b1, also known as thiamin, was first isolated as a coenzyme that plays an important role in energy metabolism. Like the other b vitamins, vitamin b1 helps to support the nervous system in addition to its role in releasing energy from nutrients in food.Vitamin b1 is also thought to help regulate appetite.

Beriberi: B1 is thiamine and a deficiency causes a disease called beriberi (2 types). Symptoms of dry beriberi include: difficulty walking, loss of feeling in hands and feet, loss of muscle function, mental confusion/speech difficulties, pain, nystagmus, tingling, vomiting wet beriberi include: awakening at night short of breath, increased heart rate, shortness of breath with activity, swelling lower legs.