Vitamin D3 1000iu, 365 tablets
£7.99 for 365 tablets at ZipVit. That works out at 2p per 1,000 IU, which ranks it 32nd of the 207 vitamin D3 products we price across 20 UK retailers.
At one 1,000 IU dose a day, this pack lasts 1 year. A month is 30 days, so twelve of them is not quite a year.
How we worked it out
- Servings: 365 ÷ 1 per serving = 365
- In the pack: 365 × 1,000 IU = 365,000 IU
- £7.99 ÷ 365,000 IU × 1,000 IU = 2.19p per 1,000 IU
- A week 2.19p × 7 = 15p · a month × 30 = 66p · a year × 365 = £7.99
- 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 →Switching to the WeightWorld pack saves 9p 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
- 365 tablets · 365 servings · 1 tablet(s) a serving
- Cost per serving
- 2p (365 servings in the pack)
More label details
- Sold by
- ZipVit
- What the listing says
- “1000iu - 365” · “Take 1 tablet daily” · “Vitamin D3 ; 1000iu / 25mcg”
Add to your basket
View basketYour 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.
Add to my stack
My stackSee when it runs out, the day to reorder by and what it costs you a day. Free, kept on this device.
Filled in from the label’s serving: 1 tablet.
What you paid
Optional. At ZipVit today: £7.99.
“Order by” allows 4 working days’ delivery from ZipVit and your spare days.
Price history
No price change since 9 October 2026. Checked on 1 day, most recently 9 October 2026.
- Price at every check
- £7.99ZipVit
- First recorded
- £7.999 Oct
- Checked on
- 1 daysince 9 Oct
Checked once so far, on 9 October 2026.
- First checked at ZipVit: £7.99
Questions about this product
How much does ZipVit Vitamin D3 1000iu cost per 1,000 IU?
2p per 1,000 IU, from £7.99 for 365 tablets at ZipVit, checked on 9 October 2026.
Is it the cheapest vitamin D3 in the UK?
No, it is 32nd of 207. High-Strength Vitamin D3 Tablets at WeightWorld works out at 1p per 1,000 IU.
How long does one pack last?
1 year at one 1,000 IU dose. The pack holds 365,000 IU in total.
About ZipVit
All 157 ZipVit products, priced per dose
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