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Why is vitamin B12 important for stress and burnout?

Uppdaterat: 28 juni 2023

Overview Vitamin B12 is an important nutrient that helps maintain healthy blood cells and nerves, and is crucial for various biochemical processes in the body.

Generally, B12 deficiency can occur for several reasons, including a vegetarian or vegan diet, gastrointestinal issues such as celiac disease or Crohn's disease, and the use of certain medications.

This vitamin can also play a significant role for those suffering from stress and burnout. Symptoms B12-defiency Symptoms of B12 deficiency can vary from person to person and may include the following(1):

  1. Fatigue

  2. Weakness

  3. Dizziness

  4. Pale skin

  5. Shortness of breath

  6. Numbness or tingling in the hands and feet

Experiencing any of these symptoms does not necessarily mean it is due to B12 deficiency, as these symptoms are relatively common in many other conditions.

If you suspect B12 deficiency, it is advisable to consult your doctor or order a home self-testing kit that specifically tests for B12 levels. Studies on B12 and stress B12 can also have a positive effect on cognitive function and mood. A study published in the journal Psychopharmacology demonstrated that B12 supplementation can improve mood and reduce fatigue and depression. Other studies have also shown that B12 supplementation can enhance memory and cognitive function in older adults.

Therefore, it is important to ensure an adequate intake of B12 to prevent deficiency and the associated negative effects.

It may be particularly important for individuals experiencing symptoms of fatigue to consider their B12 levels and consider supplementation.

B12 can be found in animal-based foods such as meat, fish, eggs, and dairy products, but it is also available as a supplement for those who may not obtain enough through their diet. Foods that contain Vitamin B12 These foods are high in B12 (per 100 grams) and can be applicable to both the UK and the USA:

  1. Liver: 85.7 µg

  2. Blue mussels: 28.4 µg

  3. Sardines: 8.9 µg

  4. Mackerel: 5.0 µg

  5. Salmon: 4.9 µg

  6. Tuna: 2.5 µg Before starting any form of supplementation, it is important to consult with a healthcare professional to ensure the appropriate dosage and to check for any potential interactions with other medications or conditions. Reference: National Institute of Health. (2021). Vitamin B12 Fact Sheet for Health Professionals. Retrieved May 1, 2023, from

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