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                                       Vitamin B 1

Thiamine, also known as thiamin or vitamin B1, is a vitamin found in food and used as a dietary supplement.As a supplement it is used to treat and prevent thiamine deficiency and disorders that result from it, including beriberi, Korsakoff's syndrome, and Korsakoff's psychosis. Other uses include maple syrup urine disease and Leigh's disease. It is taken by mouth or by injection.

There are a number of main symptoms associated with beriberi or vitamin B1 deficiency, including:

1. Weight Loss

The individual may lose weight as a general aspect of the malnutrition the often accompanies this vitamin deficiency.

2. Weakness

Because the body cannot properly process fuel into energy, someone with a vitamin B1 deficiency may become excessively weak and lack the normal energy required for many routine functions.

3. Irregular Heart Rate

This vitamin deficiency may also affect the heart rate, as the nervous system is generally depressed.

4. Emotional Disturbances

Some types of vitamin B1 deficiency include night terrors, panic attacks, and other emotional responses to the changing chemistry in the body.

5. Wernicke Encephalopathy

This syndrome affects the memory and other aspects of the mind. It is often physically induced by an inadequate supply of vitamin B1. These kinds of secondary mental and physical disorders are proof that a vitamin deficiency is in its advanced stages and needs to be treated as soon as possible.

Medical experts mention that alcoholics are primarily at risk for this kind of condition. However, some risk of vitamin B1 deficiency also applies to those involved in gastric bypass or other types of changes to the gastrointestinal system. Anyone who seems to display symptoms of a vitamin B1 deficiency should visit their qualified medical professionals immediately to get more information about whether they are condition is being caused by a lack of this essential vitamin.

Good sources of thiamin

Thiamin is found in many types of food.

Good sources include:


fresh and dried fruit


wholegrain breads

some fortified breakfast cereals


How much thiamin do I need?

The amount of thiamin adults (19-64 years) need is:

1mg a day for men

0.8mg a day for women

You should be able to get all the thiamin you need from your daily diet.

Thiamin can't be stored in the body, so you need it in your diet every day.


hiamine is LIKELY SAFE when taken by mouth in appropriate amounts, although rare allergic reactions and skin irritation have occurred.

Thiamine might not properly enter the body in some people who have liver problems, drink a lot of alcohol, or have other conditions.

Special Precautions & Warnings:

Pregnancy and breast-feeding: Thiamine is LIKELY SAFE for pregnant or breast-feeding women when taken in the recommended amount of 1.4 mg daily. Not enough is known about the safety of using larger amounts during pregnancy or breast-feeding.