Vitamin B1, thiamin, or thiamine, enables the body to use carbohydrates as energy.

It is essential for glucose metabolism, and it plays a key role in nerve, muscle, and heart function.

Vitamin B1 is a water-soluble vitamin, as are all vitamins of the B complex.

Vitamins are classified according to the materials they dissolve in. Some dissolve in water, and others dissolve in fat. Water-soluble vitamins are carried through the bloodstream. Whatever the body does not use is eliminated in urine.

Foods

Meat, fish, and grains are a good source of Vitamin B1