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Vitamin D3 & K2 Capsules, 30 capsules

£3.99 for 30 capsules at Myprotein. That works out at 3p per 1,000 IU, which ranks it 43rd of the 207 vitamin D3 products we price across 20 UK retailers.

What it really costs, per 1,000 IU3pOne 1,000 IU dose is our comparison unit for vitamin D3. It is not a recommendation.
A day3p
A week23p
A month£1.00
A year£12.14

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
  • £3.99 ÷ 120,000 IU × 1,000 IU = 3.33p per 1,000 IU
  • A week 3.33p × 7 = 23p · a month × 30 = £1.00 · a year × 365 = £12.14
  • 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 →
D3 1000 IUHealf · 1,000 IU a serving · 87p a month · a pack lasts 1.4 years3p£14.49View at Healf (opens in a new tab)
Vitamin D3 & K2 60 TabletsHealthspan · 4,000 IU a serving · 87p a month · a pack lasts 8 months3p£6.99View at Healthspan (opens in a new tab)
Ultra Vitamin D 4000IU 96 TabletsLloyds Pharmacy · 4,000 IU a serving · 90p a month · a pack lasts 1.1 years3p£11.49View at Lloyds Pharmacy (opens in a new tab)
Vitamin D3 GummiesHealf · 5,000 IU a serving · 90p a month · a pack lasts 10 months3p£8.99View at Healf (opens in a new tab)
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)
This productMyprotein · 4,000 IU a serving · £1.00 a month · a pack lasts 4 months3pshown above

Cheapest anywhere: 1p per 1,000 IU at WeightWorld, 83p 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.

Sizes

PackPricePer dose
30 capsulesthis one£3.993p
90 capsules£9.993p

Pack sizes

PackPricePer doseA year
90 capsules£9.993p£10.13
30 capsulesthis pack£3.993p£12.14

At one 1,000 IU dose a day, the 90 capsules pack costs £2.01 less a year than this one.

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
13p (30 servings in the pack)
More label details
Claimed on the listing
vegetarian
Barcode
5056379506303
Sold by
Myprotein
What the listing says
“30 Servings” · “30 Servings” · “Consume 1 capsule daily” · “Vitamin D3 ; 100.0μg ; 2000”
Ingredients

Bulking Agent (Microcrystalline Cellulose), Capsule Shell (Glazing Agent (Hydroxypropyl Methyl Cellulose), Water), Vitamin K2, Vitamin D3, Anti-Caking Agents (Magnesium Stearate, Silicon Dioxide).

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

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

Price history

3 price changes since 17 September 2026. Checked on 28 days, most recently 29 October 2026.

Lowest recorded
£3.9927 Oct
Highest recorded
£5.4913 Oct
First recorded
£5.4917 Sept
Checked on
28 dayssince 17 Sept
Pack price at each check.
  1. Down at Myprotein: £5.49 → £3.99 (−27%)
  2. Up at Myprotein: £4.99 → £5.49 (+10%)
  3. Down at Myprotein: £5.49 → £4.99 (−9.1%)
1 earlier entry
  1. First checked at Myprotein: £5.49

Questions about this product

How much does Myvitamins Vitamin D3 & K2 Capsules cost per 1,000 IU?

3p per 1,000 IU, from £3.99 for 30 capsules at Myprotein, checked on 29 October 2026.

Is it the cheapest vitamin D3 in the UK?

No, it is 43rd 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 Myvitamins

Founded 2012 · Manchester, England · Part of THG plc

Myvitamins is a vitamins and supplements brand launched in August 2012 by The Hut Group, now THG plc, as a sister brand to Myprotein. It is run by THG Nutrition, part of Manchester-based THG.

All 118 Myvitamins products, priced per doseVisit Myvitamins (opens in a new tab)

More from Myvitamins

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