# Cheapest vitamin D3

The cheapest vitamin D3 now costs £0.02 per capsule, the lowest of 105 products from 9 stores. Scanned again every day.

The first 10 of the ranking, updated 19 October 2026

| Product | Store | Per capsule | Total |
| --- | --- | --- | --- |
| [Vegan Vitamin D3 400iu Tablets](https://supplementscanner.co.uk/p/simply-supplements-vegan-vitamin-d3-400iu-tablets-133415) | Simply Supplements | £0.02 per capsule | £2.25 |
| [Vitamin D Tablets 800iu](https://supplementscanner.co.uk/p/simply-supplements-vitamin-d-tablets-800iu-132363) | Simply Supplements | £0.03 per capsule | £11.54 |
| [Ultra Vitamin D 400IU](https://supplementscanner.co.uk/p/ultra-ultra-vitamin-d-400iu-124867) | Vitabiotics | £0.04 per capsule | £3.95 |
| [Vitamin D3 Tablets 2,000iu – 180 tablets / [Multibuy 1]](https://supplementscanner.co.uk/p/simply-supplements-vitamin-d3-tablets-2000iu-180-tablets-multibuy-1-132890) | Simply Supplements | £0.04 per capsule | £6.69 |
| [Vitamin D3 180 Caps 2000IU](https://supplementscanner.co.uk/p/predator-nutrition-vitamin-d3-180-caps-2000iu-129295) | Predator Nutrition | £0.04 per capsule | £6.98 |
| [Scitec Vitamin D3 250 Capsules](https://supplementscanner.co.uk/p/scitec-nutrition-scitec-vitamin-d3-250-capsules-132671) | Predator Nutrition | £0.04 per capsule | £8.99 |
| [Nutraconcepts Vitamin D3 1000iu - Bone Muscle & Teeth Calcium Balance - 300 Softgels](https://supplementscanner.co.uk/p/nutraconcepts-nutraconcepts-vitamin-d3-1000iu-bone-muscle-teeth-calcium-balance-300-softgels-151008) | Vitamin Planet | £0.04 per capsule | £12.38 |
| [Vitamin D3 4000iu & Vitamin K2 100mcg](https://supplementscanner.co.uk/p/simply-supplements-vitamin-d3-4000iu-vitamin-k2-100mcg-132177) | Simply Supplements | £0.04 per capsule | £13.99 |
| [Vitamin D3 Tablets 4,000iu](https://supplementscanner.co.uk/p/simply-supplements-vitamin-d3-tablets-4000iu-132649) | Simply Supplements | £0.04 per capsule | £13.99 |
| [Ultra Vitamin D 1000IU](https://supplementscanner.co.uk/p/ultra-ultra-vitamin-d-1000iu-124801) | Vitabiotics | £0.06 per capsule | £6.15 |

## Frequently asked questions

### What is the cheapest vitamin D3 right now?

The lowest price is now £0.02 per capsule, for Vegan Vitamin D3 400iu Tablets at Simply Supplements. Our scanner checks prices daily, so the ranking on this page is up to date.

### Why do we compare vitamin D3 per capsule?

Bottles differ in capsule count and dosage, so only the price per capsule shows what you really pay. We convert every price to the same unit, so you're comparing like with like.

### How many stores are scanned for vitamin D3?

This comparison currently includes 105 products from 9 stores. Our scanner keeps re-reading the whole market, so new products and price changes appear automatically.

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Source: Supplementscanner, https://supplementscanner.co.uk/category/vitamin-d3 (live prices per product)