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VitaminsVegan

Liquid D3 + K2

£24.99 for 29 servings at Healf. That works out at 43p per 1,000 IU, which ranks it 168th of the 207 vitamin D3 products we price across 20 UK retailers.

What it really costs, per 1,000 IU43pOne 1,000 IU dose is our comparison unit for vitamin D3. It is not a recommendation.

A day43p

A week£3.02

A month£12.93

A year£157.26

At one 1,000 IU dose a day, this pack lasts 58 days. A month is 30 days, so twelve of them is not quite a year.

How we worked it out

In the pack: 29 × 2,000 IU = 58,000 IU
£24.99 ÷ 58,000 IU × 1,000 IU = 43.1p per 1,000 IU
A week 43.1p × 7 = £3.02 · a month × 30 = £12.93 · a year × 365 = £157.26
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 D3

All 207, ranked →

Liposomal Vitamin D 3000iu CapsulesHealf · 3,000 IU a serving · £8.33 a month · a pack lasts 3 months28p£24.99View at Healf

Wellbaby Vitamin D DropsVitabiotics · 400 IU a serving · £8.44 a month · a pack lasts 24 days28p£6.75View at Vitabiotics

Vitamin C + Vitamin D, 60 TabletsBoots · 400 IU a serving · £9.06 a month · a pack lasts 24 days30p£7.25View at Boots

Chewable Calcium + Vitamin D Vanilla 60 TabletsBoots · 400 IU a serving · £10.00 a month · a pack lasts 12 days33p£4.00View at Boots

D3 & K2 DropsHealf · 1,000 IU a serving · £10.60 a month · a pack lasts 2 months35p£26.49View at Healf

This productHealf · 2,000 IU a serving · £12.93 a month · a pack lasts 58 days43pshown above

Switching to the Healf pack saves £4.60 a month at the same 1,000 IU dose.

Ranked purely by price per 1,000 IU. 439 combination products also contain vitamin D3.

On the label

Vitamin D3 · Vitamin D3: 2,000 IU per serving (stated on the label)
Pack: 29 servings · 1 ml a serving
Cost per serving: 86p (29 servings in the pack)

More label details

Claimed on the listing: vegan, gluten-free
Sold by: Healf
What the listing says: “Servings Per Container: 29” · “Serving Size: 1 mL” · “Vitamin D3 (as Cholecalciferol) 2000 IU ; 50 mcg”

Ingredients

Vitamin D3 (as Cholecalciferol). Vitamin K2 (50 mcg MK7/ 150 mcg MK4). Other Ingredients: Organic MCT Oil.

From the Healf listing. Check the pack itself if you have an allergy: labels mark allergens in bold.

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Daily doseIUFordays

One 1,000 IU 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: £24.99Healf
First recorded: £24.991 Oct
Checked on: 20 dayssince 1 Oct

Pack price at each check.

1 OctFirst checked at Healf: £24.99

Questions about this product

How much does Codeage Liquid D3 + K2 cost per 1,000 IU?

43p per 1,000 IU, from £24.99 for 29 servings at Healf, checked on 20 October 2026.

Is it the cheapest vitamin D3 in the UK?

No, it is 168th of 207. High-Strength Vitamin D3 Tablets at WeightWorld works out at 1p per 1,000 IU.

How long does one pack last?

58 days at one 1,000 IU dose. The pack holds 58,000 IU in total.

About Codeage

All 136 Codeage products, priced per dose

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