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MaryRuth'sVitamins

Methyl B12 Spray, Strawberry, 30 ml

£17.09 for 30 ml at Healf. That works out at 79p per 1 mg, which ranks it 25th of the 27 vitamin B12 methylcobalamin products we price across 8 UK retailers.

What it really costs, per 1 mg79pOne 1 mg dose is our comparison unit for vitamin B12. It is not a recommendation.
A day79p
A week£5.54
A month£23.74
A year£288.79

At one 1 mg dose a day, this pack lasts 22 days. A month is 30 days, so twelve of them is not quite a year.

How we worked it out

  • Servings: 30 ÷ 1 per serving = 30
  • In the pack: 30 × 720 µg = 21.6 mg
  • £17.09 ÷ 21.6 mg × 1 mg = 79.1p per 1 mg
  • A week 79.1p × 7 = £5.54 · a month × 30 = £23.74 · a year × 365 = £288.79
  • 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 →
Liposomal Vitamin B12 2500mcgHealf · 2.5 mg a serving · £15.85 a month · a pack lasts 35 days53p£18.49View at Healf (opens in a new tab)
B12 LiquidHealf · 1 mg a serving · £18.50 a month · a pack lasts 30 days62p£18.50View at Healf (opens in a new tab)
Vitamin B12 (Methylcobalamin) 100µgLamberts Healthcare (Nature's Best) · 100 µg a serving · £19.50 a month · a pack lasts 10 days65p£6.50View at Lamberts Healthcare (opens in a new tab)
Liposomal Vitamin B12 2500mcgHealf · 2.5 mg a serving · £20.00 a month · a pack lasts 2 months67p£49.99View at Healf (opens in a new tab)
Liposomal Vitamin B12 2500mcgLloyds Pharmacy · 2.5 mg a serving · £23.00 a month · a pack lasts 2 months77p£57.49View at Lloyds Pharmacy (opens in a new tab)
This productHealf · 720 µg a serving · £23.74 a month · a pack lasts 22 days79pshown above

Switching to the Healf pack saves £7.89 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
720 µg per serving (stated on the label)
Pack
30 ml · 30 servings · 1 ml a serving
Cost per serving
57p (30 servings in the pack)
More label details
Sold by
Healf
What the listing says
“1 fl oz 30 mL” · “Servings Per Container: About 30” · “4 Sprays (1mL)” · “Vitamin B12 (as Methylcobalamin) ; 720 mcg”
Ingredients

Vitamin B12 (as Methylcobalamin), Vegetable Glycerin, Purified Water, Strawberry Flavour, Citric Acid, Mushroom Mycelium

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
£17.09Healf
First recorded
£17.091 Oct
Checked on
20 dayssince 1 Oct
Pack price at each check.
  1. First checked at Healf: £17.09

Questions about this product

How much does MaryRuth's Methyl B12 Spray cost per 1 mg?

79p per 1 mg, from £17.09 for 30 ml at Healf, checked on 20 October 2026.

Is it the cheapest vitamin B12 methylcobalamin in the UK?

No, it is 25th of 27. Vitamin B12 Methylcobalamin Tablets at WeightWorld works out at 2p per 1 mg.

How long does one pack last?

22 days at one 1 mg dose. The pack holds 21.6 mg in total.

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