Vitamin B12 Methylcobalamin Tablets
£8.99 for 450 servings at WeightWorld. That works out at 2p per 1 mg, which ranks it 1st of the 27 vitamin B12 methylcobalamin products we price across 8 UK retailers.
At one 1 mg dose a day, this pack lasts 1.2 years. A month is 30 days, so twelve of them is not quite a year.
How we worked it out
- In the pack: 450 × 1 mg = 450 mg
- £8.99 ÷ 450 mg × 1 mg = 2p per 1 mg
- A week 2p × 7 = 14p · a month × 30 = 60p · a year × 365 = £7.29
- Amount per serving: stated on the label.
The standard dose is a comparison unit, not a recommendation. Always confirm the price on the retailer's site. How we compare everything.
How it compares: vitamin B12 methylcobalamin
All 27, ranked →
Ranked purely by price per 1 mg. 218 combination products also contain vitamin B12.
On the label
- Vitamin B12 · Methylcobalamin
- 1 mg per serving (stated on the label)
- Pack
- 450 servings · 1 tablet(s) a serving
- Cost per serving
- 2p (450 servings in the pack)
More label details
- Sold by
- WeightWorld
- What the listing says
- “Servings per Container: 450” · “Serving Size: 1 Tablets” · “Vitamin B12 (Methylcobalamin) 100% Pure ; 1000 mcg”
Ingredients
Bulking Agents (Dicalcium Phosphate, Microcrystalline Cellulose), Rice Extract, Silicon Dioxide (Anti-Caking Agent) Advice Do not exceed the recommended daily dose. Food supplements must not be used as a substitute for a varied and balanced diet and a healthy lifestyle. Discontinue use and consult a doctor if any adverse reactions occur. Not intended for use by persons under the age of 18.
From the WeightWorld listing. Check the pack itself if you have an allergy: labels mark allergens in bold.
Add to your basket
View basketYour basket prices everything you take together: whole packs, delivery included, from as few websites as you like.
One 1 mg dose is our comparison unit, not a recommendation.
Add to my stack
My stackSee when it runs out, the day to reorder by and what it costs you a day. Free, kept on this device.
Filled in from the label’s serving: 1 tablet.
What you paid
Optional. At WeightWorld today: £8.99.
“Order by” allows 3 working days’ delivery from WeightWorld and your spare days.
Price history
No price change since 9 October 2026. Checked on 1 day, most recently 9 October 2026.
- Price at every check
- £8.99WeightWorld
- First recorded
- £8.999 Oct
- Checked on
- 1 daysince 9 Oct
Checked once so far, on 9 October 2026.
- First checked at WeightWorld: £8.99
Questions about this product
How much does WeightWorld Vitamin B12 Methylcobalamin Tablets cost per 1 mg?
2p per 1 mg, from £8.99 for 450 servings at WeightWorld, checked on 9 October 2026.
Is it the cheapest vitamin B12 methylcobalamin in the UK?
Yes. Of the 27 we price across 8 UK retailers, this is the cheapest per 1 mg.
How long does one pack last?
1.2 years at one 1 mg dose. The pack holds 450 mg in total.
About WeightWorld
All 124 WeightWorld products, priced per dose
More from WeightWorld
- Vitamin B12 Chewable Tabletsvitamin B12 methylcobalamin · 400 servings4p per 1 mgDetails and price history
- Vitamin B12 Gummiesvitamin B12 methylcobalamin · 120 servings14p per 1 mgDetails and price history
- Alpha Lipoic Acid Capsulesalpha-lipoic acid · 180 servings5p per 300 mgCheapest per dose in its tableDetails and price history
- Organic Ashwagandha With Black Pepper Capsulesashwagandha root powder · 180 servings8p per 600 mgCheapest per dose in its tableDetails and price history
