We Chose The Best Doctors Best Vitamin D3 in The UK - 11/2025

Vitamin D3 4000IU & K2 125μg (MK7) | 240 Easy to Swallow Vitamin D Tablets as Cholecalciferol | 8 Months Supply | VIT D3 K2 Supplements | 1 a Day VIT D

Vitamin D3 4000IU & K2 125μg (MK7) | 240 Easy to Swallow Vitamin D Tablets as Cholecalciferol | 8 Months Supply | VIT D3 K2 Supplements | 1 a Day VIT D

WeightWorld

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Why we love it

High strength for better absorption.
Provides 8-month vitamin supply.
Enhances immunity, joints and muscles.

Main Highlights

DAILY DOSE OF VITAMIN D3 K2: Looking for an effective way to get enough Vitamin D & K2? Look no further as WeightWorld's Vitamin D supplement offers Vitamin D3 4000IU (as Cholecalciferol) with added 125mcg of Vitamin K2 (98% All-Trans MK-7) for optimal absorption. Experience the natural way of living.
LONG-LASTING SUPPLY WITH NO WORRY: Each bottle of WeightWorld's Vitamin D contains 240 easy-to-swallow micro Vitamin D3 & K2 tablets that last for 8 months straight. While sunlight is the most common source of Vitamin D, maintaining optimal levels can be challenging due to various lifestyle factors. Take one micro tablet daily to meet the recommended intake of both D3 and K2.
LEVEL UP WITH VITAMIN D3 K2 SUPPLEMENTS: Vitamin D contributes to the maintenance of normal bones. It also contributes to the normal function of the immune system. Additionally, Vitamin D contributes to the normal absorption/utilisation of calcium and phosphorus and contributes to normal blood calcium levels (EFSA Claims). Get the most out of this Vitamin D3 K2 supplement, as the added Vitamin K2 MK7 increases the absorption of Vit D.
VEGAN AND FREE FROM ADDITIVES: This Vitamin D with K2 Supplement is entirely vegan and free from GMOs, magnesium stearate and harmful additives. Crafted under strict GMP guidelines, each batch of this supplement is tested and certified for purity. Unlike traditional Vitamin D, these specially formulated Vitamin D3 K2 tablets are designed to provide from the inside out.
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.

8.7

Excellent

8.7

Excellent

WeightWorld

Vitamin D3 4000IU & K2 125μg (MK7) | 240 Easy to Swallow Vitamin D Tablets as Cholecalciferol | 8 Months Supply | VIT D3 K2 Supplements | 1 a Day VIT D

Free Shipping

Why we love it

High strength for better absorption.
Provides 8-month vitamin supply.
Enhances immunity, joints and muscles.

Main Highlights

DAILY DOSE OF VITAMIN D3 K2: Looking for an effective way to get enough Vitamin D & K2? Look no further as WeightWorld's Vitamin D supplement offers Vitamin D3 4000IU (as Cholecalciferol) with added 125mcg of Vitamin K2 (98% All-Trans MK-7) for optimal absorption. Experience the natural way of living.
LONG-LASTING SUPPLY WITH NO WORRY: Each bottle of WeightWorld's Vitamin D contains 240 easy-to-swallow micro Vitamin D3 & K2 tablets that last for 8 months straight. While sunlight is the most common source of Vitamin D, maintaining optimal levels can be challenging due to various lifestyle factors. Take one micro tablet daily to meet the recommended intake of both D3 and K2.
LEVEL UP WITH VITAMIN D3 K2 SUPPLEMENTS: Vitamin D contributes to the maintenance of normal bones. It also contributes to the normal function of the immune system. Additionally, Vitamin D contributes to the normal absorption/utilisation of calcium and phosphorus and contributes to normal blood calcium levels (EFSA Claims). Get the most out of this Vitamin D3 K2 supplement, as the added Vitamin K2 MK7 increases the absorption of Vit D.
VEGAN AND FREE FROM ADDITIVES: This Vitamin D with K2 Supplement is entirely vegan and free from GMOs, magnesium stearate and harmful additives. Crafted under strict GMP guidelines, each batch of this supplement is tested and certified for purity. Unlike traditional Vitamin D, these specially formulated Vitamin D3 K2 tablets are designed to provide from the inside out.
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.

We scanned 566 products

We reviewed these offers relevant to the Doctors Best Vitamin D3 within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Doctor's BEST, DoctorsBEST, Nutrition Geeks, Vita Premium, WeightWorld, NATURE'S BEST, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Doctors Best Vitamin D3 in the market, we considered we took a deep dive into 2831 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is Doctor's Best, Vitamin D3, 5,000 IU, High Dose, Depot Weekly Dose, 720 Softgels, SOYA Free, Gluten Free, Non-GMO. We love many things about this product by Doctor's BEST. What sets it apart from the competition is High dosage ensures weekly supply, Free from unwanted additives, Guaranteed quality and purity.

The best value product for most shoppers and where user satisfaction is continuously the highest is Doctor's Best, Vitamin D3, 5,000 IU, High Dosage, Depot Weekly Dose, 360 Soft Capsules, Laboratory Tested, Soy Free, Gluten Free, GMO Free by Doctor's BEST based on online reviews by bloggers, experts and online shoppers.

The biggest bargain at the moment for Doctors Best Vitamin D3 and the best cost-to-value ratio is Doctor's Best - Vitamin D3 | High-dose Support for The Immune System and Bone Health - 180 softgelsat DoctorsBEST with a 6% discount.

Our list of the best Doctors Best Vitamin D3 is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

Best Doctors Best Vitamin D3 of 2025

We scanned 566 products

We concluded that: