Prices include VAT and exclude shipping. Price per capsule makes products of different sizes truly comparable.
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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 93 products from 9 stores. Our scanner keeps re-reading the whole market, so new products and price changes appear automatically.
Simply Supplements
![Vitamin D3 Tablets 2,000iu – 180 tablets / [Multibuy 1]](https://cdn.shopify.com/s/files/1/1037/8723/3629/files/Vitamin-D3-Tablets-2000iu-Front-Label.jpg?v=1773316696&width=128)
![Calcium 1000mg & Vitamin D3 400iu Tablets – 180 tablets / [Multibuy 1]](https://cdn.shopify.com/s/files/1/1037/8723/3629/files/Calcium-1000mg-Vitamin-D3-400iu-Tablets-Front-Label.jpg?v=1774439855&width=128)
![Chewable Calcium & Vitamin D3 Tablets – 120 tablets / [Multibuy 1]](https://cdn.shopify.com/s/files/1/1037/8723/3629/files/Chewable-Calcium-Vitamin-D3-Tablets-front-label-1.jpg?v=1789723411&width=128)
![Vitamin D3 1000iu Gummies – 60 gummies / [Multibuy 1]](https://cdn.shopify.com/s/files/1/1037/8723/3629/files/Vitamin-D3-1000iu-Gummies-Front-Label.jpg?v=1773422428&width=128)
