Prices and ratings below were checked on Amazon UK on 21 October 2026 and are refreshed regularly. Amazon prices change daily — the live price is always the one on Amazon. As an Amazon Associate we earn from qualifying purchases; it never changes the order of this table.
Vitamin D3 is cheap and nearly every UK adult needs it October to March. 1000–4000 IU a day is the usual range; compared on price per softgel or spray.
Vitamin D3 UK — all 25 products
Prices checked on Amazon UK: 21 October 2026. Prices change daily — the live price is shown on Amazon.
#1
Vitabiotics Ultra Vitamin D3 1000IU
3 Tablets
£4.29 £0.04 each price per unit
- 𝗩𝗶𝘁𝗮𝗺𝗶𝗻 𝗱𝟯 𝟭𝟬𝟬𝟬𝗶𝘂: Each tablet provides 25µg (1000IU) vitamin D3 in a convenient once-daily formulation.
- 𝗜𝗺𝗺𝘂𝗻𝗲 𝘀𝘆𝘀𝘁𝗲𝗺 𝘀𝘂𝗽𝗽𝗼𝗿𝘁: Vitamin D contributes to the normal function of the immune system and helps maintain n…
- 𝗩𝗶𝘁𝗮𝗺𝗶𝗻 𝗱𝟯 𝘁𝗮𝗯𝗹𝗲𝘁𝘀: Ultra Vitamin D provides vitamin D3 (cholecalciferol) - the type which is also produced n…
#2
Nutravita Vitamin D3 4000 IU
£8.99 £0.02 each price per unit
- Why Is Nutravita Vitamin D3 4000 IU Great Value for Money? – Our Maximum Strength Full-Year Supply soft gel c…
- How Important Is Vitamin D? – Getting enough Vitamin D is essential for our health as scientific studies indi…
- Why Do We Need to Take Vitamin D Supplements? – Vitamin D is produced naturally by the body in response to su…
#3
Vitamin D Tablets 2000IU
96 Count
£6.71 £0.07 each price per unit
- Britain's number 1 Vitamin D
- Provides effective levels of the preferred form of vitamin D3, which is the specific form made in the human b…
- mended to help maintain optimum levels throughout the year, especially the winter months
#4
Solgar Vitamin D3 4000 IU
£22.00 £0.18 each price per unit
- CALCIUM ABSORPTION: Vitamin D is a fat-soluble vitamin that contributes to normal absorption or utilisation o…
- IMMUNITY AND MUSCLE FUNCTION: Vitamin D contributes to the normal function of the immune system and to the ma…
- CELL DIVISION: Vitamin D has a role in the process of cell division and contributes to the maintenance of nor…
#5
Zipvit Vitamin D3 4000iu
£7.22
- Why Take Vitamin D3? In the UK, getting enough Vitamin D from sunlight can be difficult, especially during au…
- Supports Bones & Muscles: Vitamin D contributes to the maintenance of normal bones and normal muscle function…
- Supports Your Immune System: Vitamin D contributes to the normal function of the immune system, giving you re…
#6
Calcium
400 Tablets
£16.99 £25.40/kg price per unit
- VEGAN CALCIUM, MAGNESIUM, ZINC, & VITAMIN D3: Discover WeightWorld's unique mineral blend, combining vital nu…
- 1+ YEAR SUPPLY: This Calcium supplement comprises 400 tablets, offering over a 1-year supply. There is no nee…
- FOR MODERN LIFESTYLES: Calcium contributes to normal muscle function. Calcium is needed for the maintenance o…
#7
EVO Nutrition Vitamin D3 4000IU & K2 100mcg MK7
£6.95 £0.04 each price per unit
- ✔ MAXIMUM POTENCY 6-MONTHS' FULL SUPPLY - Just 1 high-strength vegetarian tablet per day provides 4,000IU of …
- ✔ VITAMIN D3 & VITAMIN K2 - A NATURAL PARTNERSHIP - Whilst Vitamin D helps in the maintenance of normal blood…
- ✔ EASY-TO-SWALLOW, VEGETARIAN TABLETS - Our supplement comes in 180 easy-to-swallow tablets, which are suitab…
#8
HOWARD & JAMES Vitamin D3 4000iu Plus Vitamin K2 100ug 120 High…
£6.95 £0.06 each price per unit
- ✔ MAXIMUM POTENCY - 4 MONTH'S FULL SUPPLY | Contains 2000% NRV of High Absorption Cholecalciferol D3 Vitamin …
- ✔ HEALTH BENEFITS of VITAMIN D - As approved by the European Food Safety Authority (EFSA) | Contributes to: T…
- ✔ NON GMO, VEGETARIAN FRIENDLY & UK MADE | Non GMO and Suitable for Vegetarians. Our Vitamin D3 4000iu & K2 1…
#9
Natures Aid Mini Drops Vitamin D3 Liquid Supplement
50ml
£5.54 £11.08/100 ml price per unit
- These award-winning drops provide the daily recommended amount (400iu) of Vitamin D, to support the maintenac…
- Designed specifically for babies, infants and children from newborn to 5 years: Easy to use liquid, simply ad…
- No nasties 100 percent sugar free, with no artificial flavours or colours. No flavour
#10
Baby Ddrops 10 µg 60 Drops
£9.89 £0.16 each price per unit
- Easy-to-use liquid drop. No need for measuring devices or syringes.
- Recommended daily 10 µg (400 IU) in just one tasteless drop. For infants and young children.
- Made with only two naturally sourced ingredients, pure vitamin D3 and fractionated coconut oil.
#11
Nutravita Vegetarian Vitamin D 4000 IU
£7.67 £0.02 each price per unit
- Why Nutravita Vitamin D 4000iu Tablets? – Our product provides a maximum strength of 4000iu Vitamin D3, per o…
- Highest Quality Ingredients - Vitamin D is a very important nutrient. It is needed in our bodies to help regu…
- Why Do We Need To Take Vitamin D Supplements? – Vitamin D is produced naturally by the body in response to su…
#12
Natures Aid Vitamin D3 10µg (400IU) Supplement
90 Tablets
£5.99 £0.07 each price per unit
- Vitamin D supports the maintenance of normal bones, teeth and muscle function
- Vitamin D also supports healthy immune function
- Take 1 tablet per day with food. Each tablet provides 400iu Vitamin D3
#13
VitaPremium Vitamin D3 4,000 IU Supplement
365 Tablets
£8.49 £0.02 each price per unit
- High Potency Vitamin D3 (4,000 IU): Provides a powerful dose of vitamin D3 to help maintain healthy bones, te…
- Vegetarian and Allergen-Free: Specially formulated for vegetarians, free from common allergens including glut…
- One-Year Supply: Convenient bottle of 365 tablets means no need for frequent reordering, ensuring consistent …
#14
Nutrition Geeks
£7.99 £0.02 each price per unit
- 12 Month Supply of Vitamin D3 tablets Made by British PhD Geeks: Each pouch contains 365 vit d3 4000 iu table…
- Easy to Swallow With No Aftertaste: Our vitamin d high strength tablets have been uniquely formulated to be j…
- Letterbox Friendly and Space Saving: Nutrition Geeks' vitamins come in flat pack packaging, saving on costly …
#15
Calcium and Vitamin D Tablets
£3.49 £0.12 each price per unit
- Produced to High Quality Standards of Good Manufacturing Practice
- Provides Vitamin D3, the preferred form of Vit. D
- The UK Department of Health recommends those aged 65 and over should take daily supplement containing vitamin…
#16
Vitamin D for Kids 1000IU
£17.49 £110.70/kg price per unit
- 120 GUMMIES - 4 MONTHS SUPPLY: As foods naturally containing Vitamin D are limited, adding a Vitamin D3 suppl…
- VITAMIN D3 GOODNESS: Vitamin D is naturally produced in the body in response to sunlight. Sourced from lanoli…
- DELICIOUS ORANGE FLAVOUR THAT KIDS ENJOY: These flavourful vitamin D gummies for kids are formulated to make …
#17
Vitamin D Drops
£17.90
- DAILY SUPPORT FOR BONES, IMMUNITY AND ENERGY - SuperSelf Vitamin D3 K2 drops are expertly formulated to suppo…
- EASY TO TAKE DROPS WITH NATURAL ORANGE FLAVOUR - With a light orange flavour and no unpleasant aftertaste, ou…
- HIGH STRENGTH SUPPLEMENT WITH LONG-LASTING VALUE - Each 4-drop serving delivers 4000 IU of Vitamin D3 and 25 …
#18
Vitamin D 1,000 IU
£9.99 £0.03 each price per unit
- OPTIMAL STRENGTH - Our Vitamin D supplement offers 1,000 IU per softgel to give you more of the "sunshine vit…
- NO ARTIFICIAL INGREDIENTS - MADE IN THE UK. We care about how your vitamins are made and what's in them. Vita…
- FULL YEAR'S SUPPLY - Take just one 1,000 IU Vitamin D3 softgel capsule per day – no need to remind yourself t…
#19
Chewy Vites Kids High Strength Vitamin D3 Gummies
3 Gummies
£7.62 £0.13 each price per unit
- CONTAINS: 400 IU, 10 microgram vitamin D3
- MADE WITH REAL FRUIT JUICE: delicious, strawberry flavoured gummies
- HIGH STRENGTH: vit D3
#20
BetterYou DLux+ Vitamin D+K2-12ml (Pack of 3)
12ml
£19.79
- 3 sprays deliver 3000IU (75μg) of vitamin D plus 75μg of vitamin K2
- Optimal support for bone health
- K2 supports normal blood clotting
#21
Chewy Vites Adult High Strength Vitamin D3 Gummies
3 Gummies
£7.07 £0.12 each price per unit
- CONTAINS: 1000 IU, 25 micrograms vitamin D3
- MADE WITH REAL JUICE: delicious, strawberry flavoured gummies
- HIGH STRENGTH: vit D3
#22
Bassetts Adult Vitamin D 25µg (1000 IU) Apple & Raspberry 30 Gummies
30 Gummies
£5.00 £0.17 each price per unit
- Tasty Apple & Raspberry flavoured Soft and Chewy Vitamin Gummy
- Contains 25μg of Vitamin D to support the immune system and to help support healthy bones & muscles.
- Vitamin D helps support healthy teeth
#23
Healthy Origins High Strength Vitamin D3 5,000 UI Softgel Capsules
£16.06 £0.13 each price per unit
- HIGH STRENGTH FORMULA: Elevate your vitamin D3 intake with our potent softgel capsules, each containing 5,000…
- IMMUNE SYSTEM BOOST: Our vitamin D3 supplement is designed to fortify your immune system, promoting resilienc…
- OPTIMAL ABSORPTION: Experience the benefits of high-strength vitamin D3 with softgel capsules that ensure opt…
#24
Vitamin D3 & K2 Tablets 4000IU + 100ug MK-7
2 Tablets
£5.99 £0.03 each price per unit
- HIGH-STRENGTH VITAMIN D3 & K2 – 4000IU D3 + 100μg K2 (MK-7): Each serving delivers 4000IU (100μg) of Vitamin …
- SUPPORTS IMMUNE SYSTEM, BONES & MUSCLE FUNCTION: Vitamin D contributes to the normal function of the immune s…
- OPTIMISED WITH VITAMIN K2 (MK-7): Vitamin K contributes to the maintenance of normal bones and works alongsid…
#25
WeightWorld Vitamin D3 4000IU & Vitamin K2 MK-7 200mcg Bundle
3 Tablets
£22.78 £0.02 each price per unit
- LONG-LASTING SUPPLY: This bundle contains 400 easy-to-swallow Vitamin D3 4000IU tablets, providing over 14 mo…
- DAILY D3 & K2 GOODNESS: Vitamin D contributes to normal blood calcium levels. Vitamin D contributes to the ma…
- MADE FOR EVERYDAY LIVING: WeightWorld combines two popular vitamin supplements in one convenient bundle. Each…
How to use this table
Ratings are the real Amazon UK owner ratings at the time of checking and the price per unit column is the fairest way to compare value across tub sizes. Click any product to see the live price, current offers and the full reviews on Amazon.
Related reviews and guides
Last checked: October 2026.