Vitamin B1

Sources of Thiamine

Thiamin (Vitamin B1) can be found naturally in following foods:

  • Fortified breads
  • Cereals
  • Pasta
  • Whole grains
  • Lean meats
  • Fish
  • Dried beans
  • Peas
  • Soybeans
  • Spinach
  • Liver
  • Beef
  • Pork
  • Navy beans
  • Nuts
  • Pinto beans
  • Bananas
  • Goji berries
  • Unpolished rice
  • Legumes

Thiamine deficiency

Thiamine (Vitamin B1) deficiency can be caused by:

Thiamine dosage

RDA (Recommended Dietary Allowance) for thiamine is:
  • 1.4 mg/day for adult men
  • 1.0 mg/day for adult women

Because of low vitamin B1 toxicity dosage under 50 mg is used in vitamin supplements.

What is Thiamine(Thiamin or Vitamin B1)

Thiamine or thiamin (Vitamin B1) is water-soluble vitamin. Thiamine is one of B vitamins.

Thiamine (vitamin B1) is essential for carbohydrates metabolism. It plays role in growth, development. Also it's necessary for hearth, nervous, muscles and digestive systems.

Vitamin B1 was discovered by Umetaro Suzuki in Japan in 1910. It was first crystallized in 1926. Synthesis was reported in 1935.

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