Ingredient Information
Summary
Vitamin B12, also known as cobalamin, is a water-soluble vitamin essential for the normal functioning of the brain and nervous system, as well as the formation of red blood cells. It contributes to normal energy-yielding metabolism and helps reduce tiredness and fatigue. Vitamin B12 is naturally found in animal products like meat, fish, and dairy, making it particularly important for vegans and vegetarians to consider supplementation. Older adults and those with certain medical conditions that affect nutrient absorption may also benefit from B12 supplements. Ensuring adequate intake supports overall health and well-being, helping maintain normal psychological function and immune system performance.
Key Facts
- Type: Vitamin
- Natural source: Meat, fish, dairy
- Typical supplemental dose: 2.5 µg (100% NRV)
- Used for: Energy metabolism, red blood cell formation
- First discovered: 1948
What Is Vitamin B12?
Vitamin B12, also known as cobalamin, is a water-soluble vitamin with the empirical formula C63H88CoN14O14P. It is classified as a B vitamin and typically appears as a red crystalline powder. Vitamin B12 is primarily sourced from animal products like meat, fish, and dairy, as it is produced by microorganisms in the gut of animals. It can also be manufactured through bacterial fermentation for supplements. Vitamin B12 contributes to normal red blood cell formation and neurological function, making it essential for maintaining healthy nerve cells and preventing anaemia.
How It Works In The Body
Vitamin B12 helps your body produce red blood cells and supports the normal functioning of your nervous system. It also contributes to the normal metabolism of energy-yielding nutrients, helping convert food into energy.
Safety & Interactions
- Vitamin B12 is generally considered safe, with no known toxicity at high intakes.
- Individuals with Leber’s disease should avoid Vitamin B12 supplements, as it may worsen the condition.
- Those with allergies to cobalt or cobalamin should avoid Vitamin B12 supplements.
- There is no specific UK upper intake level for Vitamin B12, as it is water-soluble and excess amounts are typically excreted.
- High doses of Vitamin B12 are unlikely to cause harm, but it’s best to follow recommended dosages unless advised by a healthcare professional.
Always consult your health practitioner before taking nutritional supplements, especially if you are taking medication or are under medical supervision. You should not take supplements as a substitute for a varied balanced diet or healthy lifestyle.
FAQs
What is Vitamin B12 important for?
Vitamin B12 contributes to normal energy-yielding metabolism, normal functioning of the nervous system, and the reduction of tiredness and fatigue.
Who might need Vitamin B12 supplements?
Individuals following a vegan or vegetarian diet may need Vitamin B12 supplements, as it is primarily found in animal products.
How much Vitamin B12 should I take daily?
The recommended daily intake for adults is 2.5 µg. Always consult with a healthcare professional before starting any supplement regimen.
References
1. https://pubmed.ncbi.nlm.nih.gov/33809274/
Effects of vitamin B12 supplementation on cognitive function, depressive symptoms, and fatigue.
2. https://pubmed.ncbi.nlm.nih.gov/18411381/
Vitamin B12 and health, including potential protection against chronic disease and neural tube defects.
3. https://pmc.ncbi.nlm.nih.gov/articles/PMC3257642/
Vitamin B12 in health and disease, essential for DNA synthesis and cellular energy production.
Our products that contain Vitamin B12
Where next?
Information on this page is for educational purposes only and is not a substitute for personalised medical advice. Always consult a healthcare professional before making dietary changes or starting new supplements.