Vitamin B12 Deficiency and Winter Fatigue
- Winter fatigue is a vague, common complaint, particularly in January after the holidays.
- According to nutritionist Heleen Becuwe, if you experience winter fatigue, tingling in your hands, feelings of anxiety, or a strawberry tongue, it's important to note that you should...
- Vitamin B12 is a water-soluble vitamin essential for a well-functioning nervous system, among other things.
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Winter fatigue is a vague, common complaint, particularly in January after the holidays. The most frequent causes are a lack of daylight, the cold, and fewer social interactions. We also tend to sleep less well.
According to nutritionist Heleen Becuwe, if you experience winter fatigue, tingling in your hands, feelings of anxiety, or a strawberry tongue, it’s important to note that you should have your vitamin B12 levels checked. She stated this in Het laatste Nieuws on January 19th (1).
Vitamin B12 is a water-soluble vitamin essential for a well-functioning nervous system, among other things. because our bodies don’t produce it themselves, we must obtain it through food. Vitamin B12 is found only in animal products: meat,fish,milk,and eggs (2).
A deficiency in vitamin B12 can cause a rare form of anemia. Symptoms include:
Additionally, neurological symptoms can occur, such as muscle weakness, memory problems, and tingling in the hands and feet. A strawberry tongue is a rare and late symptom of a severe vitamin B12 deficiency, also seen in scarlet fever.
Source
(1) Stiers I. Constant moe, aardbeientong of tintelingen in je handen? Deze verrassende signalen wijzen op een tekort aan vitamine B12.Het Laatste Nieuws.19 januari 2026. Read more hear.
How to Interpret This News
Vitamin B12 Deficiency
The frequency of vitamin B12 deficiency depends on your diet.