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Vitamin B1: Source, function, daily requirement of Thiamin

Since vitamin B1 is also the best in itself like all other vitamins, the requirement of vitamin B1 in the body cannot be replaced by any other vitamin

Vitamin B1: Introduction

As in the study of vitamin B complex, the name of vitamin B1 comes first. Since vitamin B1 is also the best in itself like all other vitamins, the requirement of vitamin B1 in the body cannot be replaced by any other vitamins. Therefore vitamin B1 is also a very important vitamin due to its special properties, which the body needs continuously throughout life. So let us know about Vitamin B1 in detail.

Vitamin B1

The chemical name of vitamin B1 is ‘Thiamin’ and its molecular formula is C12H18N4Cl2OS. Vitamin B1 comes in the category of water-soluble vitamins, that is, vitamin B1 is soluble in water and is found more in water-rich foods (eg: green vegetables, milk, etc.). Vitamin B1 being water soluble, it does not get stored in the body for a long time. For good health, foods containing vitamin B1 should be included in the diet regularly, as they are excreted from the body with urine.

Symptoms of Vitamin B1 Deficiency

Due to a lack of vitamin B1, the muscles become weak and useless. If there is a deficiency of vitamin B1 in the body, then the heart also becomes weak and there is a possibility of becoming serious heart disease. A person who has a deficiency of Vitamin B1 in his body, he always becomes sleepy, laziness, irritable nature, weak, and lifeless body. The blood pressure of a person with vitamin B1 deficiency is much lower than normal. When there is a deficiency of Vitamin B1 in the body, digestive problems like heartburn and anorexia arise.

When there is an excessive deficiency of Vitamin B1 in the body, then a person develops a disease called ‘Beri Beri’, in which there is partial or complete paralysis of the whole body due to weakness of the nervous system and weakness of the heart.

Vitamin B1 deficiency diseases

Irrespective of the age stage a person is in, if there is a deficiency of Vitamin B1 in his body then the following diseases can arise:

1. Beri Berry,
2. Indigestion,
3. Neurological disorders,
4. Eye diseases,
5. Hair loss,
6. Nosebleeds, weakness, nervousness,
7. Diabetes,
8. White leprosy,
9. Madness,
10. Lack of milk to the mother,
11. Uncontrolled tremor of any part or whole of the body,
12. Feeling of numbness in any part of the body or the whole body.

Causes of Vitamin B1 Deficiency

The main reason for the deficiency of vitamin B1 is dehydration due to a serious disease such as cholera or diarrhea or frequent diarrhea. Along with this, there are reasons for not consuming natural foods containing vitamin B1, poor digestive system, etc. Along with this, improper eating habits, irregular lifestyles, and other serious diseases are the reasons for the deficiency of vitamin B1.

Diagnosis of Vitamin B1 Deficiency

Vitamin B1 deficiency can be seen by observing irregularities related to the nervous system, such as uncontrolled tremors, numbness, low BP, etc. To identify the deficiency of Vitamin B1 in the body, attention should be paid to the above symptoms. Apart from this, the deficiency of vitamin B1 is also detected properly by blood tests and other pathology tests.

Functions of Vitamin B1

Vitamin B1 has many important functions in the body, which every person should know because everyone wants to be healthy. Firstly, the symptoms of vitamin B1 deficiency have been mentioned above, if there is a sufficient supply of vitamin B1 in the body, then the function of vitamin B1 is to eliminate those symptoms. Along with this, there are many other functions of Vitamin B1 as follows:

It helps to keep the nervous system healthy. Keeps the heart healthy too. It gives strength to the nerves of the body, organs of the digestive system, heart, and liver. Keeps muscles active and provides agility. Also keeps blood pressure regular and controlled. Vitamin B1 is also very important for the health of women who breastfeed their babies.

Sources of Vitamin B1

Vitamin B1 is especially found in milk, milk products, sprouted wheat, fresh-succulent fruits, green vegetables (carrot, radish, spinach, cabbage, beans, tomatoes, etc.), dry fruits, soybean, etc. Is. The amounts (in milligrams of vitamin B1 in 100 milligrams of food) of foods that are high in vitamin B1 are shown in the table below:

1. Maize0.4213. Cashew0.63
2. Rice0.1114. Moong0.46
3. Carrot0.0415. Gram0.45
4. Spinach0.0516. Mango0.04
5. Fenugreek0.0517. Banana0.04
6. Bean0.0818. Orange0.05
7. Barley0.4519. Groundnut0.90
8. Millet0.3320. Walnut0.45
9. Ripe Tomato0.0421. Urad0.45
10. Cabbage0.1022. Arhar0.45
11. Milk0.0523. Pineapple0.03
12. Almond0.3424. Grapes-Papaya0.04

The daily requirement of Vitamin B1

Age Stage.Daily Needs
1. Birth to 6 months0.2 mg
2. 7–12 months0.3 mg
3. 1–3 years0.5 mg
4. 4–8 years0.6 mg
5. 9–13 years0.9 mg
6. 14–18 years1.2 mg
7. 19-50 years1.3 mg
8. 51+ years1.2 mg
9. Pregnancy1.4 mg
10. Lactation1.4 mg
11. Maximum for children & adults2-3 mg 
12. Maximum for pregnancy & Lactation3-4 mg 

Remedies for Vitamin B1 Deficiency

Deficiency of Vitamin B1 in the body is a serious condition, and in this situation, a person should initially take the help of prescription drugs (tablets or injections) supplying Vitamin B1 as per the advice of a qualified doctor. Along with this, improve your lifestyle and connect with nature. At the same time, attention should also be paid to the digestive system, because if the digestive system is not well, then no matter how many natural or artificial vitamin B1 food supplements are eaten, they cannot be absorbed in the body. So try to keep the digestive system healthy as well. Avoid excessive and incorrect intake of antibiotics or other allopathic medicines.

Drugs used to treat vitamin B1 deficiency, both injectable and taken by mouth. Both types of medicines are available in the market, but they should be taken according to the doctor’s advice. Consuming artificial vitamin supplements (injections or pills) for a long time can make the body dependent on them or it can be difficult to live without artificial vitamin supplements. Therefore, the consumption of artificial vitamin supplements should be avoided for a long time or repeatedly.

To overcome the deficiency of vitamin B1 through nutritious food, milk, curd, butter, sprouted wheat, sprouted grains, dry fruits, green leafy vegetables, such as spinach, radish, carrot, tomato, etc.

Is an overdose of vitamin B1 harmful?

If artificial vitamin B1 is being consumed excessively and frequently, then it can be harmful if the quantity is exceeded. If natural foods containing vitamin B1 are being consumed, it is impossible to have high amounts of vitamin B1 in the body, as the body absorbs vitamin B1 from natural foods in sufficient amounts.


We have provided important information related to Vitamin B1 in this post and we believe that you must have come to know about Vitamin B1 very well with the help of this post. If still you have any doubt then feel free to write in below comment box.

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