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Vitamin D3 4000 Iu Comparison - April 2026

7 Best Vitamin D3 4000 Iu In the UK

Last Updated - 17/04/2026

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Our Score

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Model

Vitamin D3 4000IU - 1+ Year Supply - 400 Tablets - Easy to Swallow 6mm Micro Vitamin D Tablets - Gentle Cholecalciferol Form - Vegetarian-Friendly VIT D Supplement - 1 per Day - Made in The UK

Model

Vitamin D3 4000IU - 1+ Year Supply - 400 Tablets - Easy to Swallow 6mm Micro Vitamin D Tablets - Gentle Cholecalciferol Form - Vegetarian-Friendly VIT D Supplement - 1 per Day - Made in The UK

Model

Vitamin D 4,000 IU Softgels, Maximum Strength Vitamin D3 Supplement, 365 Easy to Swallow Softgels - Full Year Supply

Model

Vitamin D3 4000 IU - 400 High Strength Vitamin D Tablets (1+ Year Supply) - Vegetarian - Immune System Booster - Gluten Free - Vitamin D Supplements - Made in The UK

Model

Vitamin D3 4000 iu & Vitamin K2 MK7 100μg - 1 Year Supply, 365 Easy-Swallow Vitamin D3 K2 Tablets, 1-A-Day High Strength Vegetarian D3 and K2 Vitamin Supplements, UK Made Vitamin D Tablets

Model

Vitamin D3 4000 iu & Vitamin K2 MK7 100μg - 1 Year Supply, 365 Easy-Swallow Vitamin D3 K2 Tablets, 1-A-Day High Strength Vegetarian D3 and K2 Vitamin Supplements, UK Made Vitamin D Tablets

Model

Vitamin D3 4000 IU - 400 High Strength Vitamin D Tablets (1+ Year Supply) - Vegetarian - Immune System Booster - Gluten Free - Vitamin D Supplements - Made in The UK

Brand

WeightWorld

Brand

WeightWorld

Brand

Vita Premium

Brand

Incite Nutrition

Brand

Nutrition Geeks

Brand

Nutrition Geeks

Brand

Incite Nutrition

Reviews

65,484 reviews

Reviews

65,484 reviews

Reviews

126,330 reviews

Reviews

119,886 reviews

Reviews

38,325 reviews

Reviews

38,325 reviews

Reviews

119,886 reviews

Features

Simple to consume

9.8

Simple to consume

9.8

Simple to consume

9.9

Simple to consume

9.9

Simple to consume

9.9

Simple to consume

9.9

Simple to consume

9.9

Worth the money

9.8

Worth the money

9.8

Worth the money

9.8

Worth the money

9.9

Worth the money

9.8

Worth the money

9.8

Worth the money

9.9

Absorbency

9.8

Absorbency

9.8

Absorbency

9.8

Absorbency

9.8

Absorbency

9.1

Absorbency

9.1

Absorbency

9.8

Taste

9.4

Taste

9.4

Taste

9.8

Taste

9.6

Taste

9.1

Taste

9.1

Taste

9.6

Tech Specs

manufacturer reference

5056128124994

manufacturer reference

5056128124994

manufacturer reference

VP-VITD

manufacturer reference

IN-Vitd5000

manufacturer reference

IN-Vitd5000

package dimensions

8.9 x 4.3 x 4.2 cm 2 g

package dimensions

13.7 x 10.8 x 1.3 cm; 50 g

package dimensions

13.7 x 10.8 x 1.3 cm; 50 g

package dimensions

8.9 x 4.3 x 4.2 cm 2 g

product dimensions

5.01 x 5.01 x 10.4 cm; 60 g

product dimensions

5.01 x 5.01 x 10.4 cm; 60 g

product dimensions

6.5 x 6.5 x 11.5 cm; 140 g

product dimensions

Available On

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Our Top 3 Picks

Here are the top 3 recommended products with more information to help you find the right product for you

9.9
1

WeightWorld
25% Off

Vitamin D3 4000IU - 1+ Year Supply - 400 Tablets - Easy to Swallow 6mm Micro Vitamin D Tablets - Gentle Cholecalciferol Form - Vegetarian-Friendly VIT D Supplement - 1 per Day - Made in The UK

9.8 simple to consume

9.8 worth the money

9.8 Absorbency

Why we love it

High potency for effective health support.

Vegetarian and gluten-free formula.

Long-lasting 14-month supply.
Main highlights

VITAMIN D GOODNESS: Stay on track with vitamin D supplement for adults. Vitamin D contributes to normal blood calcium levels. Vitamin D contributes to the maintenance of normal bones. Vitamin D contributes to the maintenance of normal muscle function. Vitamin D contributes to the maintenance of normal teeth. Vitamin D contributes to the normal function of the immune system (EFSA Claims).
VEGETARIAN AND GLUTEN-FREE: This Vitamin D3 supplement from WeightWorld is entirely vegetarian and free from GMOs and gluten. Moreover, these specially formulated vitamin D3 tablets are designed to deliver key elements in a clean format. Manufactured in the UK under GMP standards, each 6mm tablet is magnesium-stearate-free and easy to swallow.
THE JOURNEY OF WEIGHTWORLD: Born from a passion for food supplements, WeightWorld has been growing since 2006. With nearly two decades of experience, the brand offers a wide range of products, including vitamins, minerals, plant-based supplements, devices, and more. Now reaching multiple countries, the focus remains on developing products that evolve with changing needs while staying true to the values that started it all.
CHOLECALCIFEROL – GENTLE FORM OF VITAMIN D3: Vitamin D is naturally produced through biological processes in response to sunlight and is found in specific dietary sources such as oily fish, mushrooms, and eggs. However, meeting daily requirements through sun exposure and diet alone can be challenging. Sourced from lanolin, cholecalciferol is a naturally occurring form of vitamin D3 known for its bioavailability.
400 TABLETS - 1+ YEAR SUPPLY: Limited sunlight can affect daily Vitamin D levels, especially during colder months or for those with predominantly indoor lifestyles. Each tablet provides 4000IU of Vitamin D3, making it a practical option when natural sources are limited. Each bottle contains 400 vitamin D tablets, lasting for 14 months (1+ year supply). Simply take 1 Vitamin D 4000IU tablet per day to suit a modern, busy lifestyle.
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9.8
2

WeightWorld
33% Off

Vitamin D3 4000IU - 1+ Year Supply - 400 Tablets - Easy to Swallow 6mm Micro Vitamin D Tablets - Gentle Cholecalciferol Form - Vegetarian-Friendly VIT D Supplement - 1 per Day - Made in The UK

9.8 simple to consume

9.8 worth the money

9.8 Absorbency

Why we love it

High potency for effective health support.

Vegetarian and gluten-free formula.

Long-lasting 14-month supply.
Main highlights

VITAMIN D GOODNESS: Stay on track with vitamin D supplement for adults. Vitamin D contributes to normal blood calcium levels. Vitamin D contributes to the maintenance of normal bones. Vitamin D contributes to the maintenance of normal muscle function. Vitamin D contributes to the maintenance of normal teeth. Vitamin D contributes to the normal function of the immune system (EFSA Claims).
VEGETARIAN AND GLUTEN-FREE: This Vitamin D3 supplement from WeightWorld is entirely vegetarian and free from GMOs and gluten. Moreover, these specially formulated vitamin D3 tablets are designed to deliver key elements in a clean format. Manufactured in the UK under GMP standards, each 6mm tablet is magnesium-stearate-free and easy to swallow.
THE JOURNEY OF WEIGHTWORLD: Born from a passion for food supplements, WeightWorld has been growing since 2006. With nearly two decades of experience, the brand offers a wide range of products, including vitamins, minerals, plant-based supplements, devices, and more. Now reaching multiple countries, the focus remains on developing products that evolve with changing needs while staying true to the values that started it all.
CHOLECALCIFEROL – GENTLE FORM OF VITAMIN D3: Vitamin D is naturally produced through biological processes in response to sunlight and is found in specific dietary sources such as oily fish, mushrooms, and eggs. However, meeting daily requirements through sun exposure and diet alone can be challenging. Sourced from lanolin, cholecalciferol is a naturally occurring form of vitamin D3 known for its bioavailability.
400 TABLETS - 1+ YEAR SUPPLY: Limited sunlight can affect daily Vitamin D levels, especially during colder months or for those with predominantly indoor lifestyles. Each tablet provides 4000IU of Vitamin D3, making it a practical option when natural sources are limited. Each bottle contains 400 vitamin D tablets, lasting for 14 months (1+ year supply). Simply take 1 Vitamin D 4000IU tablet per day to suit a modern, busy lifestyle.
Show more
On Amazon

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9.7
3

Vita Premium
15% Off

Vitamin D 4,000 IU Softgels, Maximum Strength Vitamin D3 Supplement, 365 Easy to Swallow Softgels - Full Year Supply

9.9 simple to consume

9.8 worth the money

9.8 Absorbency

Why we love it

High potency, 4,000 IU per softgel.

Made in the UK, no artificial ingredients.

365 softgels provide a full year's supply.
Main highlights

Vita Premium Vitamin D3 Softgels: Easy-to-swallow softgels providing daily Vitamin D3 support for healthy bones, muscles, and immune function.
NO ARTIFICIAL INGREDIENTS - MADE IN THE UK. We care about how your vitamins are made and what's in them. Vitamin D3 from Vita Premium is manufactured with zero artificial ingredients, right here in the UK to the highest manufacturing standards in the world.
MAXIMUM STRENGTH - Our Vitamin D supplement offers 4,000 IU per softgel to give you more of the "sunshine vitamin" your body needs.
FULL YEAR'S SUPPLY - Take just one 4,000 IU Vitamin D3 softgel per day – no need to remind yourself to take multiple tablets throughout the day. For your convenience, each bottle includes 365 softgels. This gives you a full year's supply, so you won't need to re-order again for at least a year.
EFFECTIVE SOLUTION FOR VITAMIN D DEFICIENCIES. In addition to providing a healthy Vitamin D balance for adults, Vitamin D3 from Vita Premium may also be ideal for those who are deficient in Vitamin D. According to the National Institute for Health & Care Excellence (NICE ), approximately 10 million people in England alone are low in Vitamin D and are advised by medical professionals to consider taking a daily supplement.
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We can ensure that the product is well-tested with the help of our expertise, experts, and artificial intelligence technology. topchoice.co.uk requires consistent care for the products we review, ensuring that our assessments are always accurate and up to date.

Features

Our team of experts analyzes key attributes, capabilities, significance, and many more depending on the type of product to determine its effectiveness.

Consumer Reviews

We ensure an evaluation of the ratings using references all over the internet for each product. With the help of our AI technology and professional review teams, we give weight to the worth of individual user experiences.

Popularity

Popularity is an important criterion in choosing a product. Several factors contribute to the popularity of the products on our site, including prestige, relevance, reputation, news, and more.

Value for money

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When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.

7 Best Vitamin D3 4000 Iu In the UK

Our Score

To Amazon

Model

Brand

Reviews

Features

Simple to consume

Worth the money

Absorbency

Taste

Tech Specs

manufacturer reference

package dimensions

product dimensions

Available On

Our Top 3 Picks

Vitamin D3 4000IU - 1+ Year Supply - 400 Tablets - Easy to Swallow 6mm Micro Vitamin D Tablets - Gentle Cholecalciferol Form - Vegetarian-Friendly VIT D Supplement - 1 per Day - Made in The UK

Why we love it

Vitamin D3 4000IU - 1+ Year Supply - 400 Tablets - Easy to Swallow 6mm Micro Vitamin D Tablets - Gentle Cholecalciferol Form - Vegetarian-Friendly VIT D Supplement - 1 per Day - Made in The UK

Why we love it

Vitamin D 4,000 IU Softgels, Maximum Strength Vitamin D3 Supplement, 365 Easy to Swallow Softgels - Full Year Supply

Why we love it

Our ranking system

Features

Consumer Reviews

Popularity

Value for money

Value for money

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7 Best Vitamin D3 4000 Iu In the UK

vitamin d3 4000 iu comparison

Our Score

To Amazon

Model

Brand

Reviews

Features

Simple to consume

Worth the money

Absorbency

Taste

Tech Specs

manufacturer reference

package dimensions

product dimensions

Available On

Our Top 3 Picks

Vitamin D3 4000IU - 1+ Year Supply - 400 Tablets - Easy to Swallow 6mm Micro Vitamin D Tablets - Gentle Cholecalciferol Form - Vegetarian-Friendly VIT D Supplement - 1 per Day - Made in The UK

Why we love it

Vitamin D3 4000IU - 1+ Year Supply - 400 Tablets - Easy to Swallow 6mm Micro Vitamin D Tablets - Gentle Cholecalciferol Form - Vegetarian-Friendly VIT D Supplement - 1 per Day - Made in The UK

Why we love it

Vitamin D 4,000 IU Softgels, Maximum Strength Vitamin D3 Supplement, 365 Easy to Swallow Softgels - Full Year Supply

Why we love it

Our ranking system

Features

Consumer Reviews

Popularity

Value for money

Value for money

Related deals you might like for vitamin d3 4000 iu

Vitamin D 4,000 IU Tablets, Maximum Strength Vitamin D3 Supplement, 365 Easy to Swallow Tablets - Full Year Supply

Vitamin D 4,000 IU Tablets, Maximum Strength Vitamin D3 Supplement, 365 Easy to Swallow Tablets - Full Year Supply

Vitamin D3 4000 IU Micro Tablets - 365 Day Supply, Easy to Swallow High Strength Premium Sunshine Vitamin | Max Strength Vitamin D Supplement, Vegetarian & Vegan Friendly, Made in UK by Grounded

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