Vitamin B12 - Supplements
Vitamin B12
Vitamin B12
Vitamin B12
Vitamin B12
Vitamin B12
Vitamin B12
Vitamin B12

“Been 4 weeks and really feeling the benefit now. More energy & less tired. Will be ordering again” - Brian Verified Customer

4.7
Rated 4.7 out of 5 stars
559 Reviews

Vitamin B12 Supplement

60 Capsules | 60 day supply
Sale price£29.99

Support a vegan lifestyle with our high strength plant-powered B12 formula in superior methylcobalamin form. 

  • Supports cognitive health
  • Boosts energy production
  • Vital for immunity
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  • From £0.31p per day (6 bottle price)
  • 60 day supply per bottle (60 capsules)
  • For energy, mood & nervous system support
  • High potency 1,000µg methylcobalamin - highly bioavailable
  • Vegan-friendly
  • The natural, non-synthetic form of B12
  • Made in the UK to GMP standards
  • No synthetic additives - only natural science
  • 60 day money back guarantee
Vegetable Cellulose (HPMC), Brown Rice Flour, Pure Vitamin B12 (as Methylcobalamin), Rice Extract Blend

60 capsules. 1 capsule per day.
Take consistently with water or food for the best results.

Capsule Size: 1
View Size Chart

Cautionary Advice:
If you are taking medication or under medical supervision, please consult your healthcare practitioner before taking any food supplement. Store in a cool, dry place away from direct sunlight. Keep out of reach of children. Food supplements are not to be used as a substitute for a varied, balanced diet and healthy lifestyle.

  • Fast & Free Delivery
  • Royal Mail Tracked 48 service
  • Delivery in 2-3 working days
  • Same day dispatch before 2pm
  • Letterbox-friendly packaging

See Full Ingredients List

Ingredients:
Capsule Shell: Vegetable Cellulose (HPMC), Brown Rice Flour, Rice Extract Blend, 100% Pure Vitamin B12 (as Methylcobalamin).

Product Information:
1 capsule typically provides:

Nutritional Information Per serving NRV*
Vitamin B12 1000µg 40,000%

See Full Ingredients List

Ingredients:
Capsule Shell: Vegetable Cellulose (HPMC), Brown Rice Flour, Rice Extract Blend, 100% Pure Vitamin B12 (as Methylcobalamin).

Product Information:
1 capsule typically provides:

Nutritional Information Per serving NRV*
Vitamin B12 1000µg 40,000%

KEY INFORMATION:

  • From £0.31p per day (6 bottle price)
  • 60 day supply per bottle (60 capsules)
  • For energy, mood & nervous system support
  • High potency 1,000µg methylcobalamin - highly bioavailable
  • Vegan-friendly
  • The natural, non-synthetic form of B12
  • Made in the UK to GMP standards
  • No synthetic additives - only natural science
  • 60 day money back guarantee
Vegetable Cellulose (HPMC), Brown Rice Flour, Pure Vitamin B12 (as Methylcobalamin), Rice Extract Blend

60 capsules. 1 capsule per day.
Take consistently with water or food for the best results.

Capsule Size: 1
View Size Chart

Cautionary Advice:
If you are taking medication or under medical supervision, please consult your healthcare practitioner before taking any food supplement. Store in a cool, dry place away from direct sunlight. Keep out of reach of children. Food supplements are not to be used as a substitute for a varied, balanced diet and healthy lifestyle.

  • Fast & Free Delivery
  • Royal Mail Tracked 48 service
  • Delivery in 2-3 working days
  • Same day dispatch before 2pm
  • Letterbox-friendly packaging

See Full Ingredients List

Ingredients:
Capsule Shell: Vegetable Cellulose (HPMC), Brown Rice Flour, Rice Extract Blend, 100% Pure Vitamin B12 (as Methylcobalamin).

Product Information:
1 capsule typically provides:

Nutritional Information Per serving NRV*
Vitamin B12 1000µg 40,000%

See Full Ingredients List

Ingredients:
Capsule Shell: Vegetable Cellulose (HPMC), Brown Rice Flour, Rice Extract Blend, 100% Pure Vitamin B12 (as Methylcobalamin).

Product Information:
1 capsule typically provides:

Nutritional Information Per serving NRV*
Vitamin B12 1000µg 40,000%
As Featured In
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"It contains methylcobalamin, widely considered to be the highest quality and most easily-absorbed form.”
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"A great vitamin for the healthy functioning of the nervous system, and red blood cell formation."
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"Best vitamin B12 supplement that are expert-approved."
Vitamin B12 Supplement

Benefits Of Daily Use:

Energy

Contributes to normal energy-yielding metabolism for natural get-up-and-go.

Mood & Mind

Supports normal psychological function and emotional balance.

Immunity

Contributes to the normal function of the immune system.

Blood Cell Formation

Has a role in the process of normal red blood cell formation.

See What People Are Saying

I Don’t Feel Tired

"I always had a deficiency of Vitamin B12, feeling tired and weak, but since taking Puro Vitamin B12, I don’t feel tired and I have more energy. This is my second bottle."

Maria P. Verified Customer
A Difference In My Energy

"I have noticed a difference in my energy and general well-being after just 1 week of taking the B12 tablets. Definitely see a difference and I will continue to take them."

Karen L. Verified Customer
More Energy

"Been 4 weeks, really feeling the benefit now: more energy, less tired. Will be ordering again."

Brian W. Verified Customer

Natural energy that lasts

Pure methylcobalamin B12 for all-day energy without the crash.

Natural energy that lasts

Pure methylcobalamin B12 for all-day energy without the crash.
1000μg of premium methylcobalamin B12—the most bioavailable form for superior absorption and utilization.
Powerful 1000μg dosage provides 40,000% of your daily requirement, ideal for correcting deficiencies and maintaining levels.
Clinically proven to reduce fatigue, support brain function, and promote positive mood and mental performance.
Perfect for plant-based diets which naturally lack B12, in a clean formula with no synthetic additives or fillers.
Hormone-Free
No Side Effects
Tasteless Capsules

Clean Ingredients. No Hidden Nasties.

Methylcobalamin

A highly bioavailable form of B12 that contributes to normal energy production and psychological function, immediately ready for your body to use.

100% NATURAL
NON-GMO
GLUTEN FREE
CRUELTY FREE
DAIRY FREE
made_in_the_uk_c5866fee-ac88-451a-ba0f-3670be9fe8c6_500x.webpUK-MADE

Us vs The Competition

High strength methylcobalamin
No fillers or bulking agents
Easy to absorb
Vegan-friendly
100% satisfaction guarantee
60-day
None

Frequently Asked Questions

Yes, many customers with anaemia respond well to this product.

However, you should consult with your GP first to discuss your particular circumstances and to understand what dose may be the most suitable for you.

This will vary from person to person as we're all unique and different!

Some customers report feeling benefit in just a couple of weeks, while others may take up to 90 days.

Taking supplements should always be considered a long-term endeavour for the best possible results, and we suggest taking this product for a minimum of 60 days.

No. Puro Vitamin B12 is formulated with superior Methylcobalamin which is easier for your body to absorb and more effective.

Yes. Vitamin B12 is shown to help support energy levels and to contribute to reduced tiredness & fatigue.

Certain groups of people such as vegans or vegetarians, older adults, a family history of anaemia, or people with certain long-term health issues, typically have higher vitamin B12 requirements.

However it is also a common nutritional deficiency amongst the general UK population and so many people choose to take a supplement to help ensure they're getting enough.

Vitamin B12 is involved in the function and development of the brain, nerve cells, the myelin sheaths that protect nerves, and blood cells. Vitamin B12 is sometimes taken to treat memory loss, poor concentration and to boost your mood or energy levels.

Customer Reviews

4.7
Rated 4.7 out of 5 stars
Based on 559 reviews
Total 5 star reviews: 462 Total 4 star reviews: 58 Total 3 star reviews: 20 Total 2 star reviews: 8 Total 1 star reviews: 11
93%would recommend this product
559 reviews
  • Kathy K.
    Verified Buyer
    Jul 20, 2025
    Rated 5 out of 5 stars
    No more fatigue

    Since taking this vitamin B12 I can honestly say I am feeling less tired and more alert. I am a 72 years old auto immune sufferer taking control of my health the holistic way. Works for me!

  • Beant K.
    Verified Buyer
    Dec 1, 2024
    Rated 5 out of 5 stars
    Purolabs B12

    We are very satisfied with B12 capsules,

    He was very deficient in B12 , now getting better

  • Karl Q.
    Verified Buyer
    Aug 27, 2024
    Rated 5 out of 5 stars
    It works

    I am take this each morning and feeling the difference,

  • William H.
    Verified Buyer
    Aug 7, 2024
    Rated 3 out of 5 stars
    Mr William Hutchinson.

    Still a bit mixed up but wondered if taking them every day is too much and started to take them every alternate day. Just trying to figure out what is the best way forward. I know red meat is good for vitamin 12 but I would not have meat every day or salmon. But will carry on with another month supply and see how I go. I was born November 1937 .

  • Karen L.
    Verified Buyer
    Mar 14, 2024
    Rated 5 out of 5 stars
    B12

    I have noticed a difference in my energy and general well-being after just 1 week of taking the B12 tablets. I have a B12 deficiency and get an injection for it once every 3 months but still feel very tired. Definitely see a difference and I will continue to take them.