Bio-Synergy vitamin D3: its price per 1,000 IU
Bio-Synergy has 1 vitamin D3 product in stock that we price per dose. It is Bio-Synergy Vitamin D3 Capsules, at 4p per 1,000 IU: 48th of 207 in the vitamin D3 table. The cheapest in that table is WeightWorld High-Strength Vitamin D3 Tablets, 1p per 1,000 IU: 3p less per dose than Bio-Synergy's one. Prices checked 29 October 2026.
- In stock at Bio-Synergy
- 1Vitamin D3 product
- Its price
- 4pper 1,000 IU
- Place in its table
- 48thof 207 in the vitamin D3 table
- Cheapest anywhere
- 1pat WeightWorld
Bio-Synergy 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 |
|---|---|---|---|---|
| Bio-Synergy Vitamin D3 CapsulesDetails and price history | £16.99View at Bio-Synergy (opens in a new tab) | 4pper 1,000 IU | £1.13 | 48th of 207 |
Each row says the day its price was checked. We earn commission when you buy through these links; it never affects the order.
Vitamin D3 at other shops
- Healf84 products in stock, cheapest in the vitamin D3 table 1p per 1,000 IU
- Lloyds Pharmacy18 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
- W-Wellness10 products in stock, cheapest in the vitamin D3 table 8p per 1,000 IU
- Myprotein8 products in stock, cheapest in the vitamin D3 table 1p per 1,000 IU
Every shop's vitamin D3 prices · All of Bio-Synergy's supplements · Bio-Synergy's own range
Delivery at Bio-Synergy: Free UK delivery over £49.00; below that, not known, standard delivery 3–5 working days. It depends on the rest of the order, so it is never counted in the prices above.
Questions about Bio-Synergy's vitamin D3
How many vitamin D3 products does Bio-Synergy sell?
On 29 October 2026, we price 1 vitamin D3 product at Bio-Synergy that are in stock, in 1 form. In the vitamin D3 table the ones in stock run all at 4p per 1,000 IU.
What does the vitamin D3 at Bio-Synergy cost per dose?
Bio-Synergy Vitamin D3 Capsules, £16.99 for 90 capsules, which works out at 4p per 1,000 IU. That is 48th of 207 in the vitamin D3 table across UK shops, checked 29 October 2026.
Is Bio-Synergy the cheapest place to buy vitamin D3?
Not on 29 October 2026. The cheapest in the vitamin D3 table is WeightWorld High-Strength Vitamin D3 Tablets: 1p per 1,000 IU, 3p less per dose than Bio-Synergy's one, which is 4p per 1,000 IU.
Does Bio-Synergy charge for delivery?
Bio-Synergy's own rule: Free UK delivery over £49.00; below that, not known. Delivery depends on the rest of the order, so it is shown beside the shop's prices and never counted in them.
How are Bio-Synergy's 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 · Bio-Synergy's prices last changed
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