Vitamin B1 deficiency: symptoms and treatment – Health

– A vitamin B1 deficiency can be caused, for example, by illness or an unbalanced diet. But what are the symptoms and what is the best way to treat the deficiency?

  • Fatigue, depressed moods, and numbness in the hands and feet are some of the possible symptoms of vitamin B1 deficiency.
  • The body absorbs the vitamin from food and converts it in the liver.
  • Vitamin B1 is found in almost all foods. There is a lot in whole grain products, legumes and nuts.

Definition: What is vitamin B1?

Vitamin B1 belongs to the group of water-soluble B vitamins. It is also called thiamine, and the term aneurin was also common in the past. Vitamin B1 is involved in many vital processes in the body. In addition to the smooth flow of energy production in the cells, thiamin is also important for the heart and nervous system.



The human body cannot produce vitamin B1 on its own and can only store it for a certain period of time. Therefore, a supply of vitamin B1 through food is always necessary. If the body does not receive B1 for a period of two weeks, the reserves are already half empty. After about 40 days, all supplies of the important vitamin are completely depleted. Before vitamin B1 reaches the cells, it is converted to its active form (thiamin pyrophosphate) in the liver.

What is thiamin?

That Synonym of vitamin B1 means “thiamin” and is used as a synonym.

Thiamin: the effect

Thiamine is important for the following body functions:

– For psychological well-being
– For the physical condition and constitution
– For the proper functioning of the central nervous system
– To convert carbohydrates into energy
– For the promotion of concentration

Vitamin B1 deficiency: symptoms

If vitamin B1 stores are depleted, serious deficiency symptoms can occur. This includes:

– fatigue
– Sleep disorders
– Loss of appetite
– nausea
– Cardiovascular failure
– Depressed mood, anxiety and irritability
– Muscle pain and muscle weakness
– Numbness and tingling in the hands and feet
– Decreased ability to concentrate.
– Decreased mental and physical performance.

If the deficiency is not compensated, in the worst case there is a risk of suffering from a vitamin B1 deficiency disease such as “beriberi”. This disease occurs mainly in developing countries and only occasionally in Germany. A severe form of beriberi disease often leads to muscle atrophy, which can cause significant limitations. In addition, both the heart and the nervous system can be damaged. As a result, it is edema formations and in extreme cases to one heart failure.

Patients often suffer from symptoms such as Palpitations, shortness of breath, muscle cramps, or muscle weakness. At a later time, neural or psychological dysfunctions may occur, such as Forgetfulness, sensory disturbances, confusion or psychosis. Without treatment, a deficiency of thiamine can lead to death. However, since the vitamin is found in almost all foods, very few people need to pay attention to their vitamin B1 level.

Vitamin B1 deficiency: the causes

As a general rule, people consume enough thiamin through food, and a deficiency only occurs in rare cases. However, deficits can still arise, especially with:

intestinal diseasesthat hinder the absorption of the vitamin
liver diseasesthat interrupt the conversion to thiamine pyrophosphate
an extremely one-sided diet
eating disorders and eating disorders such as anorexia or bulimia
– a Alcohol addiction (rapid breakdown of thiamine)

Additionally, a vitamin B1 deficiency can also occur during physical phases. increasethe pregnancy and lactation develop. During pregnancy, the increased need, usually in combination with morning sickness, leads to a deficiency in some cases.

Vitamin B1 deficiency: treatment

If there is a vitamin B1 deficiency, drug therapy is usually required. This is usually done by swallowing pills or other preparations. Only in rare cases is the vitamin injected.

it is mostly long-term treatment is not necessary. However, those affected must adjust their eating habits to ensure adequate intake of vitamin B1. Supplementation should always be discussed with the treating physician. Before resorting to vitamin preparations, the cause should always be clarified.so that possible diseases can be detected and treated.

Where is vitamin B1 found?

There are numerous foods with vitamin B1. Good sources of vitamin B1 are, for example, Integral productsoatmeal, wheat germ, sunflower seeds, pine nuts, or other walnuts. legumes such as beans, lentils or peas are ideal for thiamine intake. vegetables such as asparagus, zucchini, broccoli and cauliflower should also be in the daily diet. But also in animal food such as fish, beef, eggs, whole milk, and chicken contain vitamin B1.

These foods are particularly rich in thiamin:

– Oatmeal: 0.55 milligrams per 100 grams
– Wheat sprouts: 2.0 milligrams per 100 grams
– Wholemeal bread: 0.23 milligrams per 100 grams
– Brown rice: 0.41 milligrams per 100 grams
– Lentils (uncooked): 0.48 milligrams per 100 grams
– Pork escalope: 0.8 milligrams per 100 grams

belong to everyone rice and cereals are among the most important providers of thiamin. In Germany, most people meet their vitamin B1 needs with baked goods such as whole wheat bread.

How can the daily requirement of thiamin be reached?

A healthy and balanced diet normally provides the body with enough vitamin B1. Here is an example of the food selections that lead to the recommended daily requirement of 1.4 mg.

The example is aimed at males aged 15 to 19 years, who have the highest reference value (growth phase). It is sufficient in each case to consume the foods behind one of the dashes.
– 150 grams of oat flakes and 20 grams of sunflower seeds
– 100 grams (two slices) of wholemeal bread and 150 grams of peas
– 150 grams of pork loin
– 200 grams of Kasseler
– 120 grams of spelled rolls, 30 grams of Kasseler, 25 grams of peanuts, 240 grams of baked potatoes and 150 grams of courgette

Useful tips for an optimal intake of vitamin B1

To ensure an ideal supply of vitamin B1, you should:

– Daily Integral products consume
– In Integral rice instead of husked rice to fall again
– Daily vegetables consume
legumes integrate into the diet
Prepare food delicatelyso that the vitamins are not lost
– Vegetables and potatoes gently wash Y never water for a long time

When can vitamin B1 not be absorbed?

There are some substances that Inhibit thiamine uptake like a high coffee intake or excessive consumption of black tea. Also the consumption of refined sugar rose tried the requirement of vitamin B1.

During intense physical exertion or stress the body consumes a lot of thiamine and therefore has a higher daily requirement. The same goes for one hyperthyroidism, fever and Burns In the case of intestinal and liver diseases, the vitamin may not be properly absorbed and processed.

Vitamin B1 is also very sensitive to oxygen, heat, and UV rays. Therefore, the corresponding foods should be stored as cool and dark as possible. When food is cooked, some of the water-soluble vitamin B1 passes into the cooking water. To avoid this, one can eat the foods either steam cooking or reusing cooking water.

What is the daily requirement?

To cover the daily requirement for vitamin B1, the German Nutrition Society (DGE) recommends the following amounts of vitamin B1:

Babies from 0 to 4 months: 0.2 milligrams
Babies from 4 to 12 months: 0.4 milligrams

Children from 1 to 4 years: 0.6 milligrams
Children from 4 to 7 years old: 0.7 milligrams

Girls and adolescents from 7 to 19 years old: 0.9mg to 1.1mg
Male children and adolescents aged 7 to 19 years: 0.9mg to 1.4mg

Women: 1mg
Pregnant and lactating women: 1.2mg to 1.3mg

Men between 19 and 25 years: 1.3 milligrams
Men between 25 and 65 years: 1.2 milligrams
Men over 65: 1.1 milligrams

With a balanced diet, people always get the necessary amount of thiamin. This also applies to vegans and vegetarians. They usually get enough vitamin B1 from legumes, whole grains, and nuts.

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What happens in case of overdose?

The risk of overdose is limited because the kidneys usually remove excess thiamine from food. Therefore, the European Food Safety Authority Unlimited established for the maximum daily intake of vitamin B1.

However, when people take a significant overdose (for example, 100 times the RDA) through dietary supplements, the following symptoms may occur:

– Electric shock
– Redness and sweating
– skin reactions
– Headache
– nausea

Normally, the human body absorbs enough vitamin B1 through food, so dietary supplements are not necessary. Anyone who belongs to a risk group should have their intake, for example, through a diet change to ensure.

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