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Stress Relief Matrix · Magnesium & Ashwagandha · 60 Hardcaps
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Vitamin
Vitamin B12
Vitamin B12 is a recognised nutrient with a European Nutrient Reference Value, which means its content must be declared per portion on the label and expressed as a percentage of that reference intake.
Approved claims for Vitamin B12
These statements are shown in the exact wording approved for Vitamin B12 under EU and GB nutrition and health claims registers.
- Vitamin B12 contributes to normal red blood cell formation.
- Vitamin B12 contributes to normal energy-yielding metabolism.
- Vitamin B12 contributes to the normal function of the nervous system.
Claim wording last reviewed 2026-08-25.
Forms
Forms and what appears on a label
Different chemical forms of Vitamin B12 carry different amounts of the nutrient itself. Our labels declare the elemental or active amount per portion, not the weight of the compound, so the figure can be compared honestly with other products.
Sourcing
Where it comes from
Meat, fish, dairy, eggs.
In our formulas
Dose and how we use it
The bioavailable methylcobalamin form featured in Energy & Vitality.
Best taken in the morning with breakfast. B12 is water-soluble so excess is excreted rather than stored.
Exact amounts per daily portion are declared on every product label and on each product page.
Evidence
What research has — and has not — established
Nutrient function is established through the EU and GB authorised claim registers rather than through individual studies. Only the wording those registers permit appears on this page.
Safety
Cautions and interactions
Food supplements are not a substitute for a varied, balanced diet and a healthy lifestyle. Do not exceed the recommended daily portion. If you are pregnant, breastfeeding, taking medication or under medical care, seek professional advice before use.
Food supplements are not a substitute for a varied, balanced diet and a healthy lifestyle. Do not exceed the recommended daily portion. Keep out of reach of young children.
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Deep dive
From the Journal
Vitamin B12: Dietary Sources, Risk Groups, Testing and Supplements
Vitamin B12 comes almost entirely from animal foods and fortified products, so vegans, older adults and people on certain medicines are more likely to have low intakes. This guide covers sources, testing, supplements and safe use.
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Feeling constantly exhausted? Discover whether an iron deficiency or a lack of vitamin B12 is behind your tiredness and how to address it.
Read articleVitamin B12 Benefits: Energy, Brain Health and Sources
Discover how vitamin B12 supports your energy levels, brain function, and red blood cells, and learn how to prevent a deficiency.
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