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HealthaidVitamins

Vitamin D3 1000iu, 1000 tablets

£43.72 for 1000 tablets at Vitamin Planet. That works out at 4p per 1,000 IU, which ranks it 199th of the 207 vitamin D3 products we price across 20 UK retailers.

What it really costs, per 1,000 IU4pOne 1,000 IU dose is our comparison unit for vitamin D3. It is not a recommendation.

A day4p

A week31p

A month£1.31

A year£15.96

At one 1,000 IU dose a day, this pack lasts 2.7 years. A month is 30 days, so twelve of them is not quite a year.

How we worked it out

Servings: 1000 ÷ 1 per serving = 1000
In the pack: 1000 × 1,000 IU = 1,000,000 IU
£43.72 ÷ 1,000,000 IU × 1,000 IU = 4.37p per 1,000 IU
A week 4.37p × 7 = 31p · a month × 30 = £1.31 · a year × 365 = £15.96
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 →

huxleyHuxD3 20,000iu Vitamin D3 ColecalciferolVitamin Planet · 20,000 IU a serving · 23p a month · a pack lasts 1.1 years1p£3.10View at Vitamin Planet

Vitamin D3 DropsHealf · 2,000 IU a serving · 29p a month · a pack lasts 4.9 years1p£17.49View at Healf

HealthaidVitamin D3 50000iuVitamin Planet · 50,000 IU a serving · 60p a month · a pack lasts 4.1 years2p£30.06View at Vitamin Planet

Vitamin D 3000 IU Oral SprayHealf · 3,000 IU a serving · 71p a month · a pack lasts 10 months2p£7.06View at Healf

Vitamin D3 + K2 DropsHealf · 500 IU a serving · £1.26 a month · a pack lasts 1.2 years4p£18.89View at Healf

HealthaidThis productVitamin Planet · 1,000 IU a serving · £1.31 a month · a pack lasts 2.7 years4pshown above

Switching to the Vitamin Planet pack saves £1.08 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: 1,000 IU per serving (stated on the label)
Pack: 1000 tablets · 1,000 servings · 1 tablet(s) a serving
Cost per serving: 4p (1000 servings in the pack)

More label details

Sold by: Vitamin Planet
What the listing says: “1000 Tablets” · “Take one tablet daily with water” · “Vitamin D3 (Cholecalciferol) ; 1000 IU”

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Daily doseIUFordays

One 1,000 IU dose is our comparison unit, not a recommendation.

Price history

No price change since 7 October 2026. Checked on 1 day, most recently 7 October 2026.

Price at every check: £43.72Vitamin Planet
First recorded: £43.727 Oct
Checked on: 1 daysince 7 Oct

Checked once so far, on 7 October 2026.

7 OctFirst checked at Vitamin Planet: £43.72

Questions about this product

How much does Healthaid Vitamin D3 1000iu cost per 1,000 IU?

4p per 1,000 IU, from £43.72 for 1000 tablets at Vitamin Planet, checked on 7 October 2026.

Is it the cheapest vitamin D3 in the UK?

No, it is 199th of 207. High-Strength Vitamin D3 Tablets at WeightWorld works out at 1p per 1,000 IU.

How long does one pack last?

2.7 years at one 1,000 IU dose. The pack holds 1,000,000 IU in total.

About HealthAid

All 33 HealthAid products, priced per dose

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