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Vitamin D 400IU
A softgel providing 400 IU (10 μg) of vitamin D3 from fish liver oil to support bone, muscle, and immune health.
Free delivery on subscriptions
Free sample each month
Pause or cancel anytime
365 day free returns
Back in stock: 13/11/2025
Buy now, pay later from £1.75/mo
Key Benefits
-
Provides vitamin D3, which contributes to the maintenance of normal bones and teeth.
-
Supports the normal function of the immune system and muscle function.
-
Contributes to normal absorption and utilisation of calcium and phosphorus.
-
Contributes to normal blood calcium levels and has a role in cell division.
Vitamin D3 400 IU (10 μg) provides vitamin D3 as cholecalciferol, sourced from fish liver oil. Each softgel delivers 400 IU (10 μg) of vitamin D3, a fat-soluble vitamin that plays an important role in supporting several key body functions.
Vitamin D contributes to the maintenance of normal bones, teeth, and muscle function. It also supports the normal function of the immune system, contributes to the normal absorption and utilisation of calcium and phosphorus, and helps maintain normal blood calcium levels. Plus, vitamin D has a role in the process of cell division.
This formula is presented in an easy-to-take softgel, with a safflower oil base and natural stabilisers. It is free from gluten, wheat, dairy, soya, yeast, preservatives, sweeteners, and artificial flavours or colours.
Solgar® has been dedicated to health and wellbeing since 1947. The brand is guided by nature and informed by science, bringing supplements from small-batch production and using only the finest raw materials, with no shortcuts to quality. From a strong heritage to an even stronger future, every gold cap seals an amber glass bottle that represents decades of diligent research, pioneering science, and an unwavering commitment to wellness. Over 75 years of pioneering research have established Solgar® as the Gold Standard in nutritional supplements—trusted worldwide to support you and your family's wellbeing journey.
With our Healf Curation Process, we do the work for you. Shop with confidence knowing that every item has been tried, tested, and curated for you.
Learn more about each step—Brand Discovery, Expert Validation, and Community Testing—here.
Vitamin D3 (from fish liver oil and cholecalciferol), Safflower Oil, Gelatin (from bovine), Vegetable Glycerin (from palm kernel oil and coconut oil).
As a food supplement for adults, one (1) softgel daily, preferably at mealtime, or as directed by a healthcare practitioner. Do not exceed directions for use.
Additional Information:
Food supplements and foods sold by Healf should not be used as a substitute for a varied, balanced diet and healthy lifestyle.
If you are pregnant, breastfeeding, have a medical condition, or are taking any medications, please consult with a healthcare professional before use. Use products only if the seal is intact. Store in a cool, dry place, out of the reach of young children. Do not exceed the recommended daily intake.
We make every effort to ensure that product information on our website is accurate and up to date, but packaging and ingredients may occasionally vary from images shown on site. Please refer to the product label and contact Healf before use if you have any questions regarding your specific allergies or intolerances.
Vitamin D 400IU
A softgel providing 400 IU (10 μg) of vitamin D3 from fish liver oil to support bone, muscle, and immune health.
Free delivery on subscriptions
Free sample each month
Pause or cancel anytime
365 day free returns
Back in stock: 13/11/2025
Buy now, pay later from £1.75/mo
Key Benefits
-
Provides vitamin D3, which contributes to the maintenance of normal bones and teeth.
-
Supports the normal function of the immune system and muscle function.
-
Contributes to normal absorption and utilisation of calcium and phosphorus.
-
Contributes to normal blood calcium levels and has a role in cell division.
Vitamin D3 400 IU (10 μg) provides vitamin D3 as cholecalciferol, sourced from fish liver oil. Each softgel delivers 400 IU (10 μg) of vitamin D3, a fat-soluble vitamin that plays an important role in supporting several key body functions.
Vitamin D contributes to the maintenance of normal bones, teeth, and muscle function. It also supports the normal function of the immune system, contributes to the normal absorption and utilisation of calcium and phosphorus, and helps maintain normal blood calcium levels. Plus, vitamin D has a role in the process of cell division.
This formula is presented in an easy-to-take softgel, with a safflower oil base and natural stabilisers. It is free from gluten, wheat, dairy, soya, yeast, preservatives, sweeteners, and artificial flavours or colours.
Solgar® has been dedicated to health and wellbeing since 1947. The brand is guided by nature and informed by science, bringing supplements from small-batch production and using only the finest raw materials, with no shortcuts to quality. From a strong heritage to an even stronger future, every gold cap seals an amber glass bottle that represents decades of diligent research, pioneering science, and an unwavering commitment to wellness. Over 75 years of pioneering research have established Solgar® as the Gold Standard in nutritional supplements—trusted worldwide to support you and your family's wellbeing journey.
With our Healf Curation Process, we do the work for you. Shop with confidence knowing that every item has been tried, tested, and curated for you.
Learn more about each step—Brand Discovery, Expert Validation, and Community Testing—here.
Vitamin D3 (from fish liver oil and cholecalciferol), Safflower Oil, Gelatin (from bovine), Vegetable Glycerin (from palm kernel oil and coconut oil).
As a food supplement for adults, one (1) softgel daily, preferably at mealtime, or as directed by a healthcare practitioner. Do not exceed directions for use.
Additional Information:
Food supplements and foods sold by Healf should not be used as a substitute for a varied, balanced diet and healthy lifestyle.
If you are pregnant, breastfeeding, have a medical condition, or are taking any medications, please consult with a healthcare professional before use. Use products only if the seal is intact. Store in a cool, dry place, out of the reach of young children. Do not exceed the recommended daily intake.
We make every effort to ensure that product information on our website is accurate and up to date, but packaging and ingredients may occasionally vary from images shown on site. Please refer to the product label and contact Healf before use if you have any questions regarding your specific allergies or intolerances.
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Frequently asked questions
Every product undergoes our Healf Curation Process. With it, you can shop confidently knowing that every item has been tried and tested before it reaches you. Our Healf Curation Process includes three key steps: Brand Discovery, Expert Validation, and Community Testing. Through these, we assess quality, ingredients, effectiveness, and more, ensuring that every product empowers your wellbeing.
The Healf Source offers detailed insights into different aspects of wellbeing, as well as guidance, research, recipes, and more to help you invest in your personal wellbeing journey. You can also subscribe to our weekly newsletters for the latest updates at Healf and in the wellbeing industry. Subscribe via the sign-up block at the bottom of this page.
We love people who check ingredients as carefully as we do, so you'll find detailed information about the ingredients used on every product page (where applicable). If you see something you'd like to flag with us or have additional questions, please don't hesitate to get in touch—we'd love to hear from you.
Healf Curation Process™
Every product undergoes our rigorous Healf Curation Process, ensuring you are always getting the best when it comes to your wellbeing.
The Discovery
Expert Validation
Community Testing
The Discovery
Expert Validation