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Everything you need to know about vitamin B12

Vitamin B12 reference ranges: how to interpret your blood test results?

Vitamin B12, or cobalamin, contributes to cell division and the functioning of the nervous system. With changing dietary habits, monitoring your B12 status is becoming essential. But how do you interpret your blood test results?

📌︎ Key points

✓Vitamin B12 contributes, amongst other things, to the normal functioning of the nervous system, the normal formation of red blood cells and the process of cell division.
✓A level below 180 pg/mL may indicate a vitamin B12 deficiency, whilst a level between 180 and 350 pg/mL may suggest a possible deficiency.
✓Holotranscobalamin, methylmalonic acid (MMA) and homocysteine can supplement the blood test when the results are unclear.
✓Vegetarians, vegans, older people and those with malabsorption disorders are at greater risk of vitamin B12 deficiency.
✓Foods of animal origin are the primary source of B12. Supplementation tailored to individual needs may be considered where intake is insufficient or in certain high-risk situations.

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The best times to take certain dietary supplements

Dietary supplements and seasonality: the annual supplementation calendar

Changes in light, temperature, diet or lifestyle… Your body doesn’t cope with every season in the same way. Find out how to adapt your dietary supplements wisely throughout the year.

📌︎ Key takeaways

✓Seasonal changes influence certain physiological parameters, particularly circadian rhythms and vitamin D levels.
✓In spring, the focus can be on vitality, liver support and defences against seasonal allergens.
✓In summer, antioxidants and flavonoids help manage sun exposure, whilst melatonin can occasionally help you fall asleep.
✓In autumn, probiotics, zinc and vitamin C help prepare the body nutritionally for the colder months.
✓In winter, reduced exposure to UV light very often calls for vitamin D supplementation.

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Brewer’s yeast is one of the main sources of vitamin B9

Vitamin B9 deficiency: symptoms, causes and natural solutions

Persistent tiredness, difficulty concentrating, headaches... Think you're suffering from vitamin B9 deficiency? Find out the warning signs, the causes and the natural solutions to remedy the situation.

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Everything you need to know about vitamin B2

Vitamin B2: Benefits and Dietary Sources

Vitamin B2, also known as riboflavin, was discovered in 1933 and is essential to our daily energy metabolism. But where can we find it in our food? That's what we'll be looking at in this article.

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Not all of us need the same dietary supplements

Does everyone need dietary supplements?

While dietary supplements can benefit everyone, certain specific profiles benefit all the more obviously from them.

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Everything you need to know about vitamin B12 deficiency

B12 deficiency: symptoms, causes and what to do about it

Persistent fatigue, concentration problems, depressed mood... Vitamin B12 deficiency causes symptoms that can go unnoticed. What are the signs to look out for and how can they be remedied effectively?

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Micronutrient deficiencies worldwide

Recent survey shows global micronutrient deficits

A global survey published in 2024 reveals that a large proportion of the population suffers from deficiencies in several essential micronutrients.

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Prolonged-release capsule

Prolonged release: maximising the duration of action of supplements

Sustained release allows the active ingredients to be released gradually, optimising their efficacy and tolerance. But how exactly does it work? And why is it good for your health?

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