Simply Supplements
Vitamin D3 1000 IU
capsule
Gluten-FreeSugar-Free
£9.993p/serving
£9.99Check price at Simply Supplements
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Dose
1000 IU (25mcg) Vitamin D3
Servings
365
Last reviewed: July 2026
Pros
- Exceptional value — full year's supply under £10
- D3 form (cholecalciferol) — the preferred, more effective form
- 365 capsules removes the "have I run out?" worry
- UK NHS-recommended dose for autumn/winter
Cons
- Does not include K2 — consider adding separately for long-term use
- Capsule shell contains gelatin (not suitable for vegans)
Who it may suit
Everyone in the UK, particularly during autumn and winter. Especially important for people who work indoors, have darker skin, or spend limited time outside.