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VitaminsVegan

Vitamin D3 4000iu, 30 capsules

£18.70 for 30 capsules at Healf. That works out at 16p per 1,000 IU, which ranks it 137th of the 207 vitamin D3 products we price across 20 UK retailers.

What it really costs, per 1,000 IU16pOne 1,000 IU dose is our comparison unit for vitamin D3. It is not a recommendation.

A day16p

A week£1.09

A month£4.68

A year£56.88

At one 1,000 IU dose a day, this pack lasts 4 months. 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 × 4,000 IU = 120,000 IU
£18.70 ÷ 120,000 IU × 1,000 IU = 15.6p per 1,000 IU
A week 15.6p × 7 = £1.09 · a month × 30 = £4.68 · a year × 365 = £56.88
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 →

Vitamin D3 VeganW-Wellness · 2,000 IU a serving · £4.36 a month · a pack lasts 8 months15p£34.90View at W-Wellness

WeightWorldVitamin D3 Gummies for KidsWeightWorld · 1,000 IU a serving · £4.37 a month · a pack lasts 4 months15p£17.49View at WeightWorld

D3K2Healf · 2,500 IU a serving · £4.44 a month · a pack lasts 8 months15p£36.99View at Healf

Daily D3 + K2Healf · 2,000 IU a serving · £4.49 a month · a pack lasts 4 months15p£17.95View at Healf

Vitamin D3 2000 IUHealf · 2,000 IU a serving · £4.62 a month · a pack lasts 4 months15p£18.49View at Healf

This productHealf · 4,000 IU a serving · £4.68 a month · a pack lasts 4 months16pshown above

Switching to the W-Wellness pack saves 31p 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: 4,000 IU per serving (stated on the label)
Pack: 30 capsules · 30 servings · 1 capsule(s) a serving
Cost per serving: 62p (30 servings in the pack)

More label details

Claimed on the listing: vegan
Sold by: Healf
What the listing says: “30 caps” · “per daily intake: 1 capsule” · “Vitamin D3 4000iu ; 100mcg”

Ingredients

Bulking Agent (Cellulose), Capsule Shell (Hydroxypropyl Methylcellulose), Vitamin D3 (Cholecalciferol), Anti-Caking Agent (Rice Hull).

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: £18.70Healf
First recorded: £18.701 Oct
Checked on: 20 dayssince 1 Oct

Pack price at each check.

1 OctFirst checked at Healf: £18.70

Questions about this product

How much does BioCare Vitamin D3 4000iu cost per 1,000 IU?

16p per 1,000 IU, from £18.70 for 30 capsules at Healf, checked on 20 October 2026.

Is it the cheapest vitamin D3 in the UK?

No, it is 137th of 207. High-Strength Vitamin D3 Tablets at WeightWorld works out at 1p per 1,000 IU.

How long does one pack last?

4 months at one 1,000 IU dose. The pack holds 120,000 IU in total.

About BioCare

All 96 BioCare products, priced per dose

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