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B vitamin deficiency

B vitamin deficiency

Individuals who engage in a one-sided or unhealthy diet can suffer from deficits in essential vitamins. Inadequate supply of one or more B vitamins can result in difficulties with the conversion of energy and anemia which can cause fatigue, reduced appetite, lack of energy and dizziness.

Vitamin and Mineral

Vitamin and Mineral

vitamins and minerals health check

1 095 kr

10% discount on testmottagningen.se with the code: PÅSK2026 Health checks for increased well-being


Welcome to our B vitamin deficiency symptom guide. If you feel tired and lack energy, suffer from a decreased appetite or experience dizziness, these may be signs of a lack of important B vitamins. These nutrients play a crucial role in the body's energy conversion and blood formation. One-sided or unhealthy diet can be a contributing factor to B vitamin deficiency. If you also experience problems with your skin or notice neurological symptoms, this may also be related to a lack of B vitamins.

It is important to pay attention to these indications as vitamin B deficiency can negatively affect your health. We recommend that you seek advice and care to get a correct assessment of your situation. A balanced diet and proper nutrition are essential for well-being, and by addressing the deficiency, you can positively affect your health. Do not hesitate to consult a healthcare professional for further guidance and recommendations.

Different B vitamins and their function:

  • Thiamine (B1): Needed for carbohydrate and protein metabolism. Found in foods such as breakfast cereals, sunflower seeds and pork. Deficiency is rare, but can occur with alcohol abuse.
  • Riboflavin (B2): Necessary to break down carbohydrates, protein and fat. Found in meat, eggs, dairy products and green leafy vegetables. Deficiency is uncommon and can cause skin and mucous membrane problems.
  • Niacin (B3): Important for energy metabolism and nervous system. Found in meat, grains, fruits and vegetables. Deficiency is uncommon, but can lead to skin changes.
  • Pantothenic acid (B5): Required for fat and carbohydrate metabolism. Found in many foods such as whole grain products and meat. Shortage is very rare.
  • Vitamin B6 (pyridoxine): Needed for protein metabolism and nerve function. Found in meat, eggs, vegetables and nuts. Deficiency is uncommon due to broad diet.
  • Biotin (B7 or H): Important for fatty acid metabolism. Found in most foods and deficiency is very rare.
  • Vitamin B9 (folate or folic acid): Necessary for blood formation and cell growth. Found in vegetables, legumes and dairy products. Deficiency can lead to anemia and particularly affects pregnant women.
  • Vitamin B12 (cobalamin): Important for cell turnover, blood formation and nervous system. Found in animal products. Deficiency can occur in vegans and the elderly, as well as in certain medical conditions.

It is important to get enough B vitamins through a varied and balanced diet. Deficiency can negatively affect your health, so if you suspect a deficiency, you should consider dietary changes or consult with a healthcare professional.

Symptoms B vitamin deficiency may include:

  • Feeling of tiredness and lack of energy
  • Difficulty maintaining concentration
  • Skin and mucous membrane problems
  • Lost appetite
  • Anemia, which can manifest as fatigue, lack of energy or dizziness.

Related tests and health checks


Vitamin and Mineral

Vitamin and Mineral

vitamins and minerals health check
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Medical comment included

With us, you will always receive a doctor’s opinion from a licensed physician when you order a medical check-up that includes a medical opinion. The doctor’s opinion includes an overall assessment of your results from laboratory analysis. The opinion is individual and may vary depending on the specific tests your medical check-up includes.

What can I expect in the medical report?

The medical opinion will summarize the results of your test results to give you an assessment of your health including any abnormalities outside the reference ranges. In case of abnormalities or need, your doctor may also contact you for a free conversation to explain and talk about your results. Remember that a health check always includes specific test results based on your health and your personal circumstances. Values outside the reference range should therefore always be discussed with a doctor before any decisions regarding possible treatment are made.

What does the doctor look at during a health check?

When assessing a blood test or health check, your doctor will look at several different parameters to evaluate your health and identify any abnormalities. Below are some common aspects your doctor may examine:

Blood counts: Your doctor will check red, white and platelet counts to identify any signs of anaemia, infection or bleeding.

Nutrients and biochemical markers: Includes, for example, analysis and monitoring of blood sugar (glucose) levels, electrolyte levels (e.g. sodium, potassium), liver function tests (e.g. liver enzymes), kidney function tests (e.g. creatinine, urea) and lipid profile (e.g. cholesterol, triglycerides). The results of the tests give your doctor a better idea of your organ function, blood sugar level, cholesterol conditions and other important health aspects.

Inflammatory markers: Your doctor may measure health markers such as C-reactive protein (CRP) or red blood cell decrease rate (SR) to evaluate inflammatory conditions or confirm an active infection.

Hormone levels: Your doctor may monitor your hormone levels to assess hormonal imbalances or diseases, such as thyroid hormones (TSH, T3, T4), sex hormones or other specific hormones such as testosterone levels.

Specific tests: Depending on your goal of your health check or medical history, your doctor may look into specific tests to investigate conditions or diseases, such as diabetes, vitamin deficiency or autoimmune diseases.

In conclusion, the doctor weighs all test results based on the health check to assess your overall health, detect any abnormalities and identify possible underlying medical conditions.

What happens if I have abnormal test results?

If your blood count is abnormal, this will be addressed in your personal medical opinion. Depending on the nature and extent of the abnormality, your doctor may also contact you directly through the test result service for further guidance. Various measures and advice will be provided based on the specific abnormalities observed along with your medical history.

  • Health check that measures your vitamin and mineral levels.
  • Analysis of markers affecting depression and fatigue.
  • Gives you the conditions to optimize your health.

1 095 kr


  • Measures your levels of vitamin B12.
  • Indication of vitamin B12 deficiency.
  • Low levels can lead to anemia.

179 kr

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