Vitamin B12 Chewable Tablets
£16.79 for 400 servings at WeightWorld. That works out at 4p per 1 mg, which ranks it 4th of the 27 vitamin B12 methylcobalamin products we price across 8 UK retailers.
At one 1 mg dose a day, this pack lasts 1.1 years. A month is 30 days, so twelve of them is not quite a year.
How we worked it out
- In the pack: 400 × 1 mg = 400 mg
- £16.79 ÷ 400 mg × 1 mg = 4.2p per 1 mg
- A week 4.2p × 7 = 29p · a month × 30 = £1.26 · a year × 365 = £15.32
- 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.
Cheaper vitamin B12 methylcobalamin
All 27, ranked →
Switching to the WeightWorld pack saves 66p a month at the same 1 mg dose.
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
- 400 servings · 1 tablet(s) a serving
- Cost per serving
- 4p (400 servings in the pack)
More label details
- Sold by
- WeightWorld
- What the listing says
- “Servings per Container: 400” · “Serving Size: 1 Tablet” · “Vitamin B12 (Methylcobalamin) 100% Pure ; 1000 mcg”
Ingredients
Vitamin B12 (Methylcobalamin):There are 2 types of Vitamin B12 supplements, cyanocobalamin and methylcobalamin. Both are effective in their own way. The biggest difference is that one is synthetically created and one is naturally sourced.
From the WeightWorld listing. Check the pack itself if you have an allergy: labels mark allergens in bold.
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One 1 mg dose is our comparison unit, not a recommendation.
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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: £16.79.
“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
- £16.79WeightWorld
- First recorded
- £16.799 Oct
- Checked on
- 1 daysince 9 Oct
Checked once so far, on 9 October 2026.
- First checked at WeightWorld: £16.79
Questions about this product
How much does WeightWorld Vitamin B12 Chewable Tablets cost per 1 mg?
4p per 1 mg, from £16.79 for 400 servings at WeightWorld, checked on 9 October 2026.
Is it the cheapest vitamin B12 methylcobalamin in the UK?
No, it is 4th of 27. Vitamin B12 Methylcobalamin Tablets at WeightWorld works out at 2p per 1 mg.
How long does one pack last?
1.1 years at one 1 mg dose. The pack holds 400 mg in total.
About WeightWorld
All 124 WeightWorld products, priced per dose
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