Vitamin B12 100mcg, 100 tablets
£3.99 for 100 tablets at Healf. That works out at 40p per 1 mg, which ranks it 10th of the 12 vitamin B12 cyanocobalamin products we price across 5 UK retailers.
At one 1 mg dose a day, this pack lasts 10 days. A month is 30 days, so twelve of them is not quite a year.
How we worked it out
- Servings: 100 ÷ 1 per serving = 100
- In the pack: 100 × 100 µg = 10 mg
- £3.99 ÷ 10 mg × 1 mg = 39.9p per 1 mg
- A week 39.9p × 7 = £2.79 · a month × 30 = £11.97 · a year × 365 = £145.64
- 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 cyanocobalamin
All 12, ranked →Switching to the Holland & Barrett pack saves £7.80 a month at the same 1 mg dose.
Ranked purely by price per 1 mg. 44 combination products also contain vitamin B12.
On the label
- Vitamin B12 · Cyanocobalamin
- 100 µg per serving (stated on the label)
- Pack
- 100 tablets · 100 servings · 1 tablet(s) a serving
- Cost per serving
- 4p (100 servings in the pack)
More label details
- Claimed on the listing
- vegan, vegetarian
- Sold by
- Healf
- What the listing says
- “100 tablets” · “one (1) tablet daily” · “Vitamin B12 ; 100 mcg”
Ingredients
Bulking Agents: (microcrystalline cellulose, dicalcium phosphate, mannitol), Anti-caking Agents: (vegetable stearic acid, silicon dioxide, vegetable magnesium stearate), Cellulose Gum, Vitamin B12 (cyanocobalamin).
From the Healf listing. Check the pack itself if you have an allergy: labels mark allergens in bold.
Add to your basket
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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 Healf today: £3.99.
“Order by” allows 3 working days’ delivery from Healf and your spare days.
Price history
No price change since 1 October 2026. Checked on 20 days, most recently 20 October 2026.
- Price at every check
- £3.99Healf
- First recorded
- £3.991 Oct
- Checked on
- 20 dayssince 1 Oct
- First checked at Healf: £3.99
Questions about this product
How much does Solgar Vitamin B12 100mcg cost per 1 mg?
40p per 1 mg, from £3.99 for 100 tablets at Healf, checked on 20 October 2026.
Is it the cheapest vitamin B12 cyanocobalamin in the UK?
No, it is 10th of 12. Vitamin B-12 1000 mcg at Healf works out at 5p per 1 mg.
How long does one pack last?
10 days at one 1 mg dose. The pack holds 10 mg in total.
About Solgar
All 84 Solgar products, priced per dose
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