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SolgarVitaminsVegan

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.

What it really costs, per 1 mg40pOne 1 mg dose is our comparison unit for vitamin B12. It is not a recommendation.
A day40p
A week£2.79
A month£11.97
A year£145.64

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 →
Max Strength Slow Release Vitamin B12 1000ug 120 TabletsHolland & Barrett · 1 mg a serving · £4.17 a month · a pack lasts 4 months14p£16.69View at Holland & Barrett (opens in a new tab)
HealthAidProlonged Release Vitamin B12 (Cyanocobalamin) 1000μg 100 TabletsLloyds Pharmacy · 1 mg a serving · £4.69 a month · a pack lasts 3 months16p£15.63View at Lloyds Pharmacy (opens in a new tab)
Vitamin B12 + Cyanacobalamin 500ug 120 TabletsHolland & Barrett · 500 µg a serving · £5.25 a month · a pack lasts 2 months17p£10.49View at Holland & Barrett (opens in a new tab)
Vitamin B12 1000mcg Sublingual NuggetsW-Wellness · 1 mg a serving · £6.05 a month · a pack lasts 3 months20p£20.17View at W-Wellness (opens in a new tab)
Vitamin B12 500mcgHealf · 500 µg a serving · £8.75 a month · a pack lasts 25 days29p£7.29View at Healf (opens in a new tab)
This productHealf · 100 µg a serving · £11.97 a month · a pack lasts 10 days40pshown above

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.

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One 1 mg dose is our comparison unit, not a recommendation.

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
Pack price at each check.
  1. 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

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