Vitamin B1 (Thiamine)

Vitamin B1 (Thiamine)
Vitamin B1 or thiamine enables the body to use carbohydrates as energy and is required for glucose metabolism and plays a crucial role in nerve, muscle and heart functions.

Benefits of Vitamin B1

The potential benefits include:
  1. Prevent complications in the nervous system, brain, muscles, heart, stomach and intestines.
  2. It is involved in the flow of natural body charges in and out of muscles and nerve cells.
  3. Prevention of some diseases such as beriberi, which involves the heart, nerves and digestive system.

Symptoms of Vitamin B1 deficiency

Symptoms, signs, and complications of vitamin B1 deficiency include:
  1. Beriberi. Vitamin B1 deficiency usually leads to beriberi, a condition characterized by peripheral nerve problems and wasting.
  2. Weight loss and loss of appetite can develop.
  3. Mental issues include confusion and short-term memory loss.
  4. Muscle weakness and cardiovascular symptoms such as an enlarged heart.
Symptoms of Vitamin B1 deficiency

Symptoms and risks in case of an overdose of vitamin B1

Evidence does not confirm any harm from consuming too much vitamin B1, but it should be noted and consult your doctor about the doses allowed for you.


Vitamin B1 can be obtained without a prescription on its own or in a wide variety of vitamin and mineral preparations.

Vitamin B1 sources

Vitamin B1 is available in all unprocessed foods. Good food sources of thiamine are:
  1. The bread.
  2. Whole or fortified grains.
  3. brown rice;
  4. Pastries.
  5. The pasta.
  6. liver;
  7. the kidneys;
  8. Meat.
  9. Fish.
  10. legumes;
  11. walnut;
  12. Eggs.
  13. Most vegetables.
  14. Wheat seed and bran.
The dose is determined individually according to the nature of the disease and its severity. In general, 5-25 milligrams are given orally 3 times a day, and sometimes the vitamin is given by injection when the deficiency is severe or when symptoms appear suddenly.

Recommended daily dose Vitamin B1

0.2 - 1.2
0.2 - 1.1


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