Vitamin B12 Supplement, Methylcobalamin & Adenosylcobalamin
- Free UK delivery over £25
- Dispatched in 1 to 2 days
- 30-day returns
- Formulated in the UK
- GMP-certified manufacturing
- Secure checkout
Why choose our vitamin B12
- Two active forms: Methylcobalamin and adenosylcobalamin, not cyanocobalamin.
- High strength: 1000µg of vitamin B12 per two-tablet serving.
- Authorised benefits: Vitamin B12 contributes to the reduction of tiredness and fatigue and to normal energy-yielding metabolism.
- Simple: Two tablets a day, a full month in every pack.
- Fair price: About 28p a day, with every dose on the label.
Formulated in the UK.
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Estimated delivery: Nov 13 - Nov 17
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What's in it: dose per serving
What's in it: dose per serving
How to take it
How to take it
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About this product
About this product
Vitamin B12 Supplement UK With Methylcobalamin and Adenosylcobalamin
If you're looking for a high-strength vitamin B12 supplement in the UK, the form matters. Ours uses two coenzyme forms, methylcobalamin and adenosylcobalamin.
Why This Vitamin B12 Supplement Hits Different
We use the two coenzyme forms, methylcobalamin and adenosylcobalamin, at a precise, high-strength 1000µg per serving.
What's In Your Pack
Each pack holds 60 tablets. At two tablets a day, that is a full one-month supply, giving you a simple daily habit that is easy to stick with.
What It Supports
- Contributes to normal energy-yielding metabolism
- Contributes to the reduction of tiredness and fatigue
- Contributes to normal functioning of the nervous system
- Contributes to normal psychological function
- Contributes to normal red blood cell formation
- Contributes to the normal function of the immune system
Who It's For
This vitamin B12 supplement is a strong choice if you follow a plant-based diet where B12 can be harder to get, or if you want B12 as methylcobalamin and adenosylcobalamin rather than cyanocobalamin. It's vegetarian-friendly and built for everyday use.
How To Take It
Take 2 tablets daily with a glass of water, preferably with a meal. Each serving delivers a high-strength 1000µg dose of active Vitamin B12 in its methylcobalamin and adenosylcobalamin forms. Consistent daily use is recommended. Store somewhere cool and dry, out of reach of children.
The Pure Vitamins Standard
- Two B12 forms, methylcobalamin and adenosylcobalamin
- Each batch is tested for purity and heavy metals
- Vegetarian-friendly formula
- No artificial colours, flavours, or preservatives
- No fillers and no nonsense, just clean, high-strength Vitamin B12
Related guides
Food supplements should not be used as a substitute for a varied, balanced diet and a healthy lifestyle. Always consult a healthcare professional before use if you are pregnant, breastfeeding, have a medical condition or are taking medication.
Our Pure Formula
Our Pure Formula
Shipping & Delivery
Shipping & Delivery
We keep it simple. Every UK order is dispatched within 1–2 business days and delivered by Royal Mail within 2–4 business days after dispatch so you can expect your order within 3–4 business days from the moment you place it.
UK Delivery Costs
- Orders under £25: £2.99 flat rate
- Orders over £25: free delivery
Order Cut-Off
Orders placed before 5:00 PM (GMT) Monday to Saturday are processed the same day. Orders placed after 5:00 PM are processed the following business day.
Tracking
Once your order is dispatched you'll receive a Royal Mail tracking number by email so you can follow it every step of the way. If you haven't received a tracking number within 3 business days please contact us at hello@puremultivitamins.com.
Address Changes
Need to update your delivery address? Contact us within 24 hours of placing your order and we'll sort it. After this window orders move to fulfilment and changes may no longer be possible.
Questions?
Our team is available Monday to Friday, 9:00 AM – 5:00 PM GMT. We respond within one business day.
📧 hello@puremultivitamins.com
📞 +44 7405 672 771
Please review our delivery policy for full delivery details.
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Supplements You Can Trust
Every ingredient and every dose is listed on the label, made in GMP-certified facilities. No hidden extras and no fine print, so you always know exactly what you are taking.




