Vitamin D-3 400 IU, 180 softgels
£5.49 for 180 softgels at Healf. That works out at 8p per 1,000 IU, which ranks it 91st of the 207 vitamin D3 products we price across 20 UK retailers.
At one 1,000 IU dose a day, this pack lasts 2 months. A month is 30 days, so twelve of them is not quite a year.
How we worked it out
- Servings: 180 ÷ 1 per serving = 180
- In the pack: 180 × 400 IU = 72,000 IU
- £5.49 ÷ 72,000 IU × 1,000 IU = 7.63p per 1,000 IU
- A week 7.63p × 7 = 53p · a month × 30 = £2.29 · a year × 365 = £27.83
- 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 Healthspan pack saves 21p 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
- 400 IU per serving (stated on the label)
- Pack
- 180 softgels · 180 servings · 1 softgel(s) a serving
- Cost per serving
- 3p (180 servings in the pack)
More label details
- Sold by
- Healf
- What the listing says
- “180 softgels” · “Servings Per Container: 180” · “Serving Size: 1 Softgel” · “(from Lanolin) (400 IU) ; 10 mcg”
Ingredients
Vitamin D3 (as Cholecalciferol) (from Lanolin) (400 IU), Extra Virgin Olive Oil, Softgel Capsule (Bovine Gelatin, Glycerin, Water), Safflower Oil
From the Healf listing. Check the pack itself if you have an allergy: labels mark allergens in bold.
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 softgel.
What you paid
Optional. At Healf today: £5.49.
“Order by” allows 3 working days’ delivery from Healf and your spare days.
Price history
No price change since 1 October 2026. Checked on 20 days, most recently 20 October 2026.
- Price at every check
- £5.49Healf
- First recorded
- £5.491 Oct
- Checked on
- 20 dayssince 1 Oct
- First checked at Healf: £5.49
Questions about this product
How much does NOW Foods Vitamin D-3 400 IU cost per 1,000 IU?
8p per 1,000 IU, from £5.49 for 180 softgels at Healf, checked on 20 October 2026.
Is it the cheapest vitamin D3 in the UK?
No, it is 91st of 207. High-Strength Vitamin D3 Tablets at WeightWorld works out at 1p per 1,000 IU.
How long does one pack last?
2 months at one 1,000 IU dose. The pack holds 72,000 IU in total.
About NOW Foods
All 109 NOW Foods products, priced per dose
More from NOW Foods
- Vitamin D-3 5,000 IUvitamin D3 · 240 softgels1p per 1,000 IUDetails and price history
- Vitamin D-3 5,000 IUvitamin D3 · 120 softgels1p per 1,000 IUDetails and price history
- Vitamin D-3 2,000 IUvitamin D3 · 120 softgels2p per 1,000 IUDetails and price history
- Vitamin D-3 2,000 IUvitamin D3 · 240 softgels2p per 1,000 IUDetails and price history
