Vitamin B1 : Vitamins are extremely important for the human body, of which vitamin B1 (thiamine) is important for controlling brain and nerve functions. Humans require a constant supply of vitamin B1, as it is not stored in the body. Hence it should be obtained through daily diet. Both deficiency and excess of vitamin B1 (thiamine) can cause many diseases, so a doctor should be consulted to obtain the required amount of vitamin B1 or thiamine supplementation.

Important facts related to Vitamin B1 :

  • Vitamin B1 is a water-soluble vitamin.
  • Cheese, chicken and apple do not contain vitamin B1.
  • Diseases caused by vitamin B1 deficiency are beriberi and Wernicke-Korsakoff syndrome.
  • Those who are in a coma are given thiamine injections.
  • Vitamin B1 or thiamine is called “anti-stress” vitamin.
  • The lump is formed where thiamine is injected.

Vitamin B1 sources and foods –

High food sources of vitamin B1 can include, such as:

  • Outer grain layer and sprouted seeds
  • Yeast
  • Blackstrap molasses
  • Fish
  • Eggs
  • The nuts
  • Whole grains and pulses like lentils, soybeans etc.
  • Products made from white rice, etc.
  • Fruits and vegetables that contain a good amount of vitamin B1 include:
  • Cauliflower
  • Peas
  • Oranges
  • Potato
  • Asparagus
  • Black

Recommended amounts of vitamin B1 –

Humans need a constant supply of vitamin B1, because there is no accumulation of vitamin B1 in the body. Therefore, it is necessary to get a certain quantity of it daily through daily diet.

The recommended daily intake (RDI) to help prevent thiamine deficiency is 1.2 mg for men and 1.1 mg for women. Additionally, 1.4 mg every day for pregnant or lactating women of any age. Thiamine intake is recommended.

A 100 gram serving of fortified breakfast provides 5 mg of thiamine, which is more than 100 percent of the daily recommended intake.

Thiamine is found in 1 mg or 7 percent of daily requirement in a wheat bread.

Cheese, chicken and apple do not contain vitamin B1.

Vitamin b1 function –

Thiamine is very important for the human body, and contributes to many types of bodily functions. Vitamin B1 (thiamine) functions include:

  • Vitamin B1 (thiamine) plays a role in the flow of electrolytes outside and inside muscle and nerve cells.
  • Thiamine enables the body to convert carbohydrates into energy.
  • It is essential for glucose metabolism, and plays an important role in nerve, muscle, and cardiovascular functions.
  • Vitamin B1 also plays a role in muscle contraction and the operational functions of nerve signals.

Vitamin b1 benefits –

  • Vitamin B1 or thiamine helps in prevention of complications related to nervous system, brain, muscles, heart, stomach and intestines.
  • Vitamin B or thiamine is essential to keep the liver, skin, hair and eyes healthy.
  • It helps in treating beriberi disease and reduces its symptoms.
  • Thiamine supplements can also be used to boost athlete performance and increase energy.
  • Research has found that vitamin B1 can strengthen the immune system and improve the ability to control mood (mind) and physical debility due to stress.
  • Thiamine (vitamin B1) is useful in improving the cognitive function of people suffering from Alzheimer’s disease.
  • Thiamine is beneficial in individuals to maintain a positive mental outlook, prevent memory loss, increase learning ability.
  • Thiamine injection is also given to patients who have a memory disorder called Wernic Korsakoff syndrome.

Vitamin b1 uses as medicine:

Thiamine supplements or thiamine medications may be used to treat conditions associated with low levels of vitamin B1 or peripheral neuropathy. Individuals who are in a coma may be given thiamine injections during treatment.

Thiamine supplementation may be recommended by a doctor during treatment for a number of health conditions, such as:

  • Alzheimer’s disease
  • Cataracts
  • Glaucoma and other vision related problems
  • Kidney disease
  • AIDS
  • Ulcerative colitis
  • Cerebellar syndrome, which is a type of brain damage
  • Cervical cancer
  • Pain status in diabetes
  • Tense situation
  • Heart disease
  • Motion sickness
  • A weak immune system, etc.

Vitamin b1 deficiency –

Alcoholics and individuals suffering from Crohn’s or anorexia are most at risk of developing vitamin B1 or thiamine deficiency. That is, excessive alcohol consumption can cause diseases related to thiamine deficiency. In addition, certain foods and diets may increase the risk of thiamine deficiency by interfering with thiamine absorption in the body.


The following is a list of possible side effects that can occur from medications that contain Vitamin B1. These side effects are possible, but not always. Some side effects may be rare, but severe. If you notice any of the following side effects, and if they do not end, consult your doctor.

  • Restlessness
  • Skin itching
  • Difficulty swallowing
  • Cough
  • Difficulty breathing
  • To sweat
  • Feel the heat
  • Mild pain or numbness in place of vaccine
  • Respiratory problems
  • Low blood pressure
  • Rashes
  • To feel sick
  • Swelling of face, lips and eyelids
  • Allergic reactions
  • Skin irritation
  • Weakness