Vitamin D3 25mcg (1000 IU), 180 Softgels - Doctor's Best - welzo
Vitamin D3 25mcg (1000 IU), 180 Softgels - Doctor's Best - welzo
Vitamin D3 25mcg (1000 IU), 180 Softgels - Doctor's Best - welzo
Vitamin D3 25mcg (1000 IU), 180 Softgels - Doctor's Best - welzo
Vitamin D3 25mcg (1000 IU), 180 Softgels - Doctor's Best - welzo
Vitamin D3 25mcg (1000 IU), 180 Softgels - Doctor's Best - welzo
"Very quick delivery. Used 3 times, each order arrived the next day before 12:00"
Hugo Dover
"Reliable & original products, with fast next day delivery. Have been using Welzo for over a year now."
Elina Goulliard
"Welzo is great, lots of support from customer service who are easy to get a hold of and quick delivery."
Elizabeth Moore

Product Description

Vitamin D3 is a vitamin d supplement that supports bone health and immune function, delivered in convenient softgels to help you stay healthy year round. The key active ingredient is vitamin D3, and this formula comes from Doctor's Best, a brand known for GMP certified quality. Treats bone health and immune support with straightforward daily use, and our brand heritage means you get trusted standards and straightforward ingredient sourcing.

Available Sizes & Variants:

180 Softgels - standard daily maintenance for steady vitamin D3 support.

Benefits & Features:

  • Supports bone health by aiding calcium absorption.
  • Promotes immune function and everyday energy through steady vitamin D3 levels, which may support the body's natural defences and overall vitality and resilience.
  • Convenient softgels fit easily into daily routines.
  • Suitable for daily use and compatible with standard multivitamin regimens.
  • Quality you can trust: Doctor's Best maintains GMP certification and uses high standards in sourcing and testing, giving you confidence in product safety and consistency.

Doctor's Best is a trusted name in vitamins, built on GMP-certified manufacturing and rigorous testing that customers value at the vitamin shop. Each batch is produced under strict quality controls, with clear sourcing and straightforward ingredient lists. The brand's commitment to safety and consistency has earned broad consumer trust, and its simple, single-ingredient vitamin D3 approach fits neatly into daily wellness routines. No fancy add-ons here—just reliable vitamin D3 backed by a long-standing reputation for quality.

Ingredients/Specifications

(other) Extra virgin olive oil, softgel capsule (bovine gelatin, glycerin, purified water).

UK Delivery & Returns

United Kingdom Shipping:

Orders placed by 2pm (Monday to Friday) are dispatched the same day. Orders placed after 2pm will be dispatched the next working day.

Free shipping on orders over £50 to the UK.

Returns: Our products are meant to make you feel healthy and at your best. If you need to return your item, you can do so free of charge within 30 days in the same original and unopened packaging. Subject to T&C's.

How to use

The recommended use of the supplement is to consume 1 softgel daily with food, or as suggested by a healthcare professional. Take 2 1/2 droppers 3 times daily. Shake well before use.

Please consult the product packaging for accurate instructions on how to use the product.

Nutritional Information

The Active Ingredient Is: Vitamin D3 (Cholecalciferol)

Vitamin D3, also known as cholecalciferol, is a fat-soluble vitamin that supports normal bone and immune system function.

This form is the typical, readily absorbed vitamin D used in supplements to help maintain vitamin D levels in everyday life.

What Does Vitamin D3 Do?

Vitamin D3 helps regulate calcium absorption, supporting bone health, and is linked with immune function per NHS and EFSA guidance. Dr. Holick of Harvard University found that adequate vitamin D status is associated with immune support and bone maintenance.

It participates in processes that help keep bones and teeth healthy and supports general musculoskeletal function as part of a balanced diet.

This product is not intended to diagnose, treat, cure, or prevent any disease.

Why Welzo

We favour Doctor's Best over other supplement manufacturers because this brand consistently shows a proven commitment to quality manufacturing and industry responsibility. Doctor's Best is well recognised for GMP certification and active involvement in reputable industry bodies such as the Council for Responsible Nutrition and the United Natural Products Alliance, signalling a steady, standards-driven approach to product development.

This brand stands out for its obvious focus on reliable manufacturing standards and transparent practices. The company undergoes external audits to maintain compliance, and its well-established reputation within the sector reinforces confidence in the consistency and safety of its products. Our evaluation process, including input from Welzo's clinical staff and examining rigorous quality practices, underscores Doctor's Best as a strong partner for vitamin D3 as an essential nutrient.

Doctor's Best Vitamin D3 is therefore a natural fit for this supplement category, aligning with Welzo's criteria for rigorous quality and regulatory compliance. We are confident in this brand choice and the reassurance it offers to customers seeking dependable daily support. For more on how we verify quality, take a look at our quality certification process.

Vitamin D3 25mcg (1000 IU), 180 Softgels - Doctor's Best

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Vitamin D3 is a vitamin d supplement that supports bone health and immune function, delivered in convenient softgels to help you stay healthy year round.
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Product Description

Vitamin D3 is a vitamin d supplement that supports bone health and immune function, delivered in convenient softgels to help you stay healthy year round. The key active ingredient is vitamin D3, and this formula comes from Doctor's Best, a brand known for GMP certified quality. Treats bone health and immune support with straightforward daily use, and our brand heritage means you get trusted standards and straightforward ingredient sourcing.

Available Sizes & Variants:

180 Softgels - standard daily maintenance for steady vitamin D3 support.

Benefits & Features:

  • Supports bone health by aiding calcium absorption.
  • Promotes immune function and everyday energy through steady vitamin D3 levels, which may support the body's natural defences and overall vitality and resilience.
  • Convenient softgels fit easily into daily routines.
  • Suitable for daily use and compatible with standard multivitamin regimens.
  • Quality you can trust: Doctor's Best maintains GMP certification and uses high standards in sourcing and testing, giving you confidence in product safety and consistency.

Doctor's Best is a trusted name in vitamins, built on GMP-certified manufacturing and rigorous testing that customers value at the vitamin shop. Each batch is produced under strict quality controls, with clear sourcing and straightforward ingredient lists. The brand's commitment to safety and consistency has earned broad consumer trust, and its simple, single-ingredient vitamin D3 approach fits neatly into daily wellness routines. No fancy add-ons here—just reliable vitamin D3 backed by a long-standing reputation for quality.

Ingredients/Specifications

(other) Extra virgin olive oil, softgel capsule (bovine gelatin, glycerin, purified water).

UK Delivery & Returns

United Kingdom Shipping:

Orders placed by 2pm (Monday to Friday) are dispatched the same day. Orders placed after 2pm will be dispatched the next working day.

Free shipping on orders over £50 to the UK.

Returns: Our products are meant to make you feel healthy and at your best. If you need to return your item, you can do so free of charge within 30 days in the same original and unopened packaging. Subject to T&C's.

How to use

The recommended use of the supplement is to consume 1 softgel daily with food, or as suggested by a healthcare professional. Take 2 1/2 droppers 3 times daily. Shake well before use.

Please consult the product packaging for accurate instructions on how to use the product.

Nutritional Information

The Active Ingredient Is: Vitamin D3 (Cholecalciferol)

Vitamin D3, also known as cholecalciferol, is a fat-soluble vitamin that supports normal bone and immune system function.

This form is the typical, readily absorbed vitamin D used in supplements to help maintain vitamin D levels in everyday life.

What Does Vitamin D3 Do?

Vitamin D3 helps regulate calcium absorption, supporting bone health, and is linked with immune function per NHS and EFSA guidance. Dr. Holick of Harvard University found that adequate vitamin D status is associated with immune support and bone maintenance.

It participates in processes that help keep bones and teeth healthy and supports general musculoskeletal function as part of a balanced diet.

This product is not intended to diagnose, treat, cure, or prevent any disease.

Why Welzo

We favour Doctor's Best over other supplement manufacturers because this brand consistently shows a proven commitment to quality manufacturing and industry responsibility. Doctor's Best is well recognised for GMP certification and active involvement in reputable industry bodies such as the Council for Responsible Nutrition and the United Natural Products Alliance, signalling a steady, standards-driven approach to product development.

This brand stands out for its obvious focus on reliable manufacturing standards and transparent practices. The company undergoes external audits to maintain compliance, and its well-established reputation within the sector reinforces confidence in the consistency and safety of its products. Our evaluation process, including input from Welzo's clinical staff and examining rigorous quality practices, underscores Doctor's Best as a strong partner for vitamin D3 as an essential nutrient.

Doctor's Best Vitamin D3 is therefore a natural fit for this supplement category, aligning with Welzo's criteria for rigorous quality and regulatory compliance. We are confident in this brand choice and the reassurance it offers to customers seeking dependable daily support. For more on how we verify quality, take a look at our quality certification process.

See full range

Customer Reviews

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Isabela Cervantes

Absolutely love Doctor's Best Vitamin D3 softgels! They are easy to swallow and I've noticed a significant improvement in my energy levels since I started taking them. The bottle comes with 180 softgels, so it's great value for money. Highly recommend!

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Disclaimer

Content team: Dr Sameer Nakedar

Role: Chief Medical Officer

MBBS (London, UK), MRCGP, PGCert

Content team: Paola Drexlar

Role: Medical Content Writer, UK

BA (Hons) Journalism