Thiamine (vitamin B-1) helps the body cells convert carbohydrates into energy. It is also essential for the functioning of the heart, muscles, and nervous system. A deficiency of thiamine can cause weakness, fatigue, psychosis, and nerve damage. Deficiency is most often seen in alcoholics.
Where to get it –
Fortified breads, cereals, eggs, milk, pasta, whole grains (especially wheat germ), dark leafy greens, lean meats (especially pork), fish, dried beans, peas, nuts, and soybeans.