Protein Works vitamin D3 prices per dose
Protein Works has 3 vitamin D3 products in stock that we price per dose. Its cheapest, Protein Works Vitamin D3 + K2 540 Brand New, costs 1p per 1,000 IU: 9th of 207 in the vitamin D3 table. The cheapest in that table is WeightWorld High-Strength Vitamin D3 Tablets, 1p per 1,000 IU: under 1p less per dose than Protein Works' cheapest. Prices checked 9 October 2026.
- In stock at Protein Works
- 3Vitamin D3 products
- Its cheapest
- 1pper 1,000 IU
- Place in its table
- 9thof 207 in the vitamin D3 table
- Cheapest anywhere
- 1pat WeightWorld
Protein Works vitamin D3 products
Every price is for the same standard dose and the products sit in the order of the vitamin D3 table: in stock first, then the price per dose. The place is where each product stands in that table across every UK shop.
| Product | Price | Per dose | A month | Place in its table |
|---|---|---|---|---|
| Protein Works Vitamin D3 + K2 540 Brand NewDetails and price history | £23.99View at Protein Works (opens in a new tab) | 1pper 1,000 IU | 33p | 9th of 207 |
| Protein Works Vitamin D3 + K2 360 Brand NewDetails and price history | £17.99View at Protein Works (opens in a new tab) | 1pper 1,000 IU | 37p | 12th of 207 |
| Protein Works Vitamin D3 + K2 180 Brand NewDetails and price history | £9.99View at Protein Works (opens in a new tab) | 1pper 1,000 IU | 42p | 17th of 207 |
Prices checked 9 October 2026. We earn commission when you buy through these links; it never affects the order.
Vitamin D3 at other shops
- Healf85 products in stock, cheapest in the vitamin D3 table 1p per 1,000 IU
- Lloyds Pharmacy17 products in stock, cheapest in the vitamin D3 table 1p per 1,000 IU
- Boots13 products in stock, cheapest in the vitamin D3 table 4p per 1,000 IU
- Vitabiotics9 products in stock, cheapest in the vitamin D3 table 3p per 1,000 IU
- W-Wellness9 products in stock, cheapest in the vitamin D3 table 8p per 1,000 IU
Every shop's vitamin D3 prices · All of Protein Works's supplements · Protein Works's own range
Delivery at Protein Works: Free delivery from £70.00, otherwise £4.49. It depends on the rest of the order, so it is never counted in the prices above.
Questions about Protein Works's vitamin D3
How many vitamin D3 products does Protein Works sell?
On 20 October 2026, we price 3 vitamin D3 products at Protein Works that are in stock, in 1 form. In the vitamin D3 table the ones in stock run from 1p to 1p per 1,000 IU. Protein Works' prices were last checked 9 October 2026.
What is the cheapest vitamin D3 at Protein Works?
Protein Works Vitamin D3 + K2 540 Brand New, £23.99 for 540 tablets, which works out at 1p per 1,000 IU. That is 9th of 207 in the vitamin D3 table across UK shops, checked 9 October 2026.
Is Protein Works the cheapest place to buy vitamin D3?
Not on 20 October 2026. The cheapest in the vitamin D3 table is WeightWorld High-Strength Vitamin D3 Tablets: 1p per 1,000 IU, under 1p less per dose than Protein Works' cheapest, which is 1p per 1,000 IU. Protein Works' prices were last checked 9 October 2026.
Does Protein Works charge for delivery?
Protein Works' own rule: Free delivery from £70.00, otherwise £4.49. Delivery depends on the rest of the order, so it is shown beside the shop's prices and never counted in them.
How are Protein Works' vitamin D3 prices compared with other shops'?
Every price is worked out for the same standard dose, one 1,000 IU dose, which is a unit for comparing prices and not a recommendation. A product is placed only against products of the same form, by price per dose, and the place shown is its place in that form's table across UK shops. We earn commission when you buy through our links; it never affects the order.
A standard dose is a unit for comparing prices, not a recommendation. How we compare· Prices by shop · All vitamin D3 prices · Protein Works's prices last changed