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Vitamins

Vitamin D 1000IU, 100 softgels

£7.99 for 100 softgels at Healf. That works out at 8p per 1,000 IU, which ranks it 95th of the 207 vitamin D3 products we price across 20 UK retailers.

What it really costs, per 1,000 IU8pOne 1,000 IU dose is our comparison unit for vitamin D3. It is not a recommendation.

A day8p

A week56p

A month£2.40

A year£29.16

At one 1,000 IU dose a day, this pack lasts 3 months. 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 × 1,000 IU = 100,000 IU
£7.99 ÷ 100,000 IU × 1,000 IU = 7.99p per 1,000 IU
A week 7.99p × 7 = 56p · a month × 30 = £2.40 · a year × 365 = £29.16
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 2200IUHealf · 2,200 IU a serving · £2.25 a month · a pack lasts 7 months7p£16.49View at Healf

Vitamin D-3 400 IUHealf · 400 IU a serving · £2.29 a month · a pack lasts 2 months8p£5.49View at Healf

Vitamin D 10 µg Food Supplement 90 TabletsBoots · 400 IU a serving · £2.29 a month · a pack lasts 36 days8p£2.75View at Boots

Vitamin D3Healf · 5,000 IU a serving · £2.30 a month · a pack lasts 10 months8p£22.99View at Healf

Vitamin D3 5000 IUW-Wellness · 5,000 IU a serving · £2.34 a month · a pack lasts 10 months8p£23.40View at W-Wellness

This productHealf · 1,000 IU a serving · £2.40 a month · a pack lasts 3 months8pshown above

Switching to the Healf pack saves 15p a month at the same 1,000 IU dose.

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

Pack sizes

Pack	Price	Per dose	A year
250 softgels	£15.99	6p	£23.35
100 softgelsthis pack	£7.99	8p	£29.16

At one 1,000 IU dose a day, the 250 softgels pack costs £5.82 less a year than this one.

On the label

Vitamin D3 · Vitamin D3: 1,000 IU per serving (stated on the label)
Pack: 100 softgels · 100 servings · 1 softgel(s) a serving
Cost per serving: 8p (100 servings in the pack)

More label details

Sold by: Healf
What the listing says: “100 softgels” · “Each softgel provides:” · “Vitamin D3 ; 25 mcg”

Ingredients

Vitamin D3 (from fish liver oil and cholecalciferol), Safflower Oil, Gelatin (from bovine), Vegetable Glycerin (from palm kernel oil and coconut 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: £7.99Healf
First recorded: £7.991 Oct
Checked on: 20 dayssince 1 Oct

Pack price at each check.

1 OctFirst checked at Healf: £7.99

Questions about this product

How much does Solgar Vitamin D 1000IU cost per 1,000 IU?

8p per 1,000 IU, from £7.99 for 100 softgels at Healf, checked on 20 October 2026.

Is it the cheapest vitamin D3 in the UK?

No, it is 95th of 207. High-Strength Vitamin D3 Tablets at WeightWorld works out at 1p per 1,000 IU.

How long does one pack last?

3 months at one 1,000 IU dose. The pack holds 100,000 IU in total.

About Solgar

All 84 Solgar products, priced per dose

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