We earn commission on purchases made through our links. It never affects ranking: tables are ordered purely by price per dose, and no retailer or brand can pay for position.We earn commission when you buy through our links. It never affects the ranking. Full disclosure.

Never miss a price drop. Free, every Friday morning.

Email me from PerDose about price drops, sales, My stack and the week's news. Every email has a link to stop them all. Past issues · How your address is kept.

HealthspanVitamins

Super Strength Vitamin D3 240 Tablets

£8.99 for 240 tablets at Healthspan. That works out at 4p per 1,000 IU, which ranks it 47th 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 week26p
A month£1.12
A year£13.67

At one 1,000 IU dose a day, this pack lasts 8 months. A month is 30 days, so twelve of them is not quite a year.

How we worked it out

  • Servings: 240 ÷ 1 per serving = 240
  • In the pack: 240 × 1,000 IU = 240,000 IU
  • £8.99 ÷ 240,000 IU × 1,000 IU = 3.75p per 1,000 IU
  • A week 3.75p × 7 = 26p · a month × 30 = £1.12 · a year × 365 = £13.67
  • 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 →
Ultra Vitamin D 4000IU 96 TabletsVitabiotics · 4,000 IU a serving · 93p a month · a pack lasts 1.1 years3p£11.96View at Vitabiotics (opens in a new tab)
Vitamin D3 & K2 CapsulesMyprotein · 4,000 IU a serving · £1.00 a month · a pack lasts 4 months3p£3.99View at Myprotein (opens in a new tab)
Vitamin D3 2000iuLamberts Healthcare (Nature's Best) · 2,000 IU a serving · £1.04 a month · a pack lasts 12 months3p£12.50View at Lamberts Healthcare (opens in a new tab)
Vitamin D3 High StrengthHealf · 5,000 IU a serving · £1.07 a month · a pack lasts 10 months4p£10.66View at Healf (opens in a new tab)
Ultra Vitamin D 3000IU 96 TabletsLloyds Pharmacy · 3,000 IU a serving · £1.08 a month · a pack lasts 9 months4p£10.34View at Lloyds Pharmacy (opens in a new tab)
This productHealthspan · 1,000 IU a serving · £1.12 a month · a pack lasts 8 months4pshown above

Cheapest anywhere: 1p per 1,000 IU at WeightWorld, 96p a month less than this one 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
240 tablets · 240 servings · 1 tablet(s) a serving
Cost per serving
4p (240 servings in the pack)
More label details
Sold by
Healthspan
What the listing says
“240 Tablets” · “Swallow 1 tablet daily with water” · “Vitamin D3 ; 25 µg ; 500% NRV”
Ingredients

Bulking Agents (Calcium Phosphate, Microcrystalline Cellulose), Glazing Agents (Hydroxypropyl Methyl Cellulose, Polydextrose, Colour: Safflower, Calcium Carbonate, Talc, Medium Chain Triglycerides), Anti-Caking Agent: Magnesium Salts of Fatty Acids, Cholecalciferol.

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

Is something wrong? Tell us

Price alert

An email when Super Strength Vitamin D3 240 Tablets costs less than today's £8.99, or less than a price you choose.

Set at once. We email only when it gets cheaper, at most once a day, and every email has a link to stop it. The code in our first email keeps you signed in, so the next alert is one tick. How your address is kept.

Add to your basket

View basket

Your basket prices everything you take together: whole packs, delivery included, from as few websites as you like.

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

Price history

1 price change since 17 September 2026. Checked on 3 days, most recently 22 October 2026.

Lowest recorded
£8.999 Oct
Highest recorded
£14.9917 Sept
First recorded
£14.9917 Sept
Checked on
3 dayssince 17 Sept
Pack price at each check.
  1. Down at Healthspan: £14.99 → £8.99 (−40%)
  2. First checked at Healthspan: £14.99

Questions about this product

How much does Healthspan Super Strength Vitamin D3 240 Tablets cost per 1,000 IU?

4p per 1,000 IU, from £8.99 for 240 tablets at Healthspan, checked on 22 October 2026.

Is it the cheapest vitamin D3 in the UK?

No, it is 47th of 207. High-Strength Vitamin D3 Tablets at WeightWorld works out at 1p per 1,000 IU.

How long does one pack last?

8 months at one 1,000 IU dose. The pack holds 240,000 IU in total.

About Healthspan

Founded 1996 · St Peter Port, Guernsey · Part of Orkla Health

Healthspan is a vitamins and supplements company founded in 1996 by Derek Coates and based at Healthspan House in St Peter Port, Guernsey. Norway's Orkla Health bought it from his estate in 2022 for an initial £65m. It sells vitamins, minerals, supplements, pet products and, under the Healthspan Elite name, sports nutrition.

More from Healthspan

Keep comparing