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Vitamin D3 Tablets - 400iu

One-a-day strength as recommended by Government guidelines

195 reviews9810040
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  • Description
  • Product Information
  • Feefo Reviews Reviews

Key features

  • In body favourable D3 form
  • Helps build strong bones and teeth
  • For healthy muscles & good immunity
  • 1 tablet provides 100% NRV
Vitamin D3 400iu tablet view
Tablet Size
8mm round tablet

Vitamin D helps to build strong bones and healthy teeth. Commonly known as the sunshine vitamin, Vitamin D is synthesized in the skin following exposure to sunlight. 

Ideal for boosting Vitamin D levels during the winter months

Most healthy adults should be able to get enough Vitamin D from being outside in the sun, unfortunately in the UK in the winter there isn’t much opportunity to get a daily dose of sunshine! This strength tablet is the ideal daily dosage for healthy adults who wish to maintain optimal vitamin D levels and is suitable for children over the age of 5 years old and pregnant women.

Recommended by the Food Standards Agency

The Food Standards Agency recommends that if you are pregnant or breastfeeding you should take a 400iu/ 10µg supplement of Vitamin D each day.

Older people should also consider taking 400iu/10µg of Vitamin D each day. Others who may be at risk from Vitamin D deficiency include people who:
  • are of Asian origin
  • rarely get outdoors   
  • eat no meat or oily fish

If you aren't getting enough Vitamin D, you might be more at risk of some of the harmful effects of too much Vitamin A.

Provides 100% NRV in a small easy swallow tablet

Our 400iu Vitamin D tablet provides 10µg (100% Nutrient Reference Value) in a small easy to swallow tablet. The UK Department of Health recommends that anyone at risk of a Vitamin D deficiency take between 400iu to 800iu per day to maintain healthy Vitamin D levels throughout the year. Read more in the paper produced by the UK Department Of Health on Vitamin D deficiency here.

Premium & All Natural Vitamin D3 Form

We use the premium and all natural form of Vitamin D, Cholecalciferol (Vitamin D3) in this supplement. Also available as higher-strength Vitamin D3 1000iu tablet.

Nutritional Information
Pregnancy Friendly
One tablet provides:
Vitamin D3 400iu / 10µg (200% NRV)
  as Vitamin D3 - Cholecalciferol

NRV = Nutrient Reference Value, µg = micrograms, iu = international units
Allergen Advice
Any allergens are highlighted in bold in the ingredients list.
List of Ingredients
Calcium Carbonate (with Maltodextrin), Microcrystalline Cellulose, Vitamin D3 Preparation (Maltodextrin, Starch, Sucrose, Cholecalciferol), Magnesium Stearate, Silicon Dioxide, Hydroxypropylmethyl Cellulose (with Glycerine).
Dosage / Suggested Intake
Swallow one Vitamin D 400iu tablet per day with food.
Legal Category
Food Supplement


Customer Reviews for Vitamin D3 400iu

The views expressed below are the personal opinion of Just Vitamins customers. Just Vitamins does not endorse these views, nor should they be regarded as health claims or medical advice. All reviews are collected and verified as genuine by a 3rd party called Feefo.

Overall product rating 9.8 / 10 - 195 customers have independently reviewed and recommend Vitamin D3 from 195 reviews (showing latest 50 reviews)
Review Date
Review Details
Service rating: Extremely fast delivery which is RARE from Uk to France!!!
Product: Pros and the fastest delivery ever from UK to France
Service rating: No problems - boring survey
Product: Right number in packet - what else is there to say?
Service rating: very efficient
Product: good size flat pack with good seal.
Very easy to use website and fast, prompt delivery.
Arrived promptly
Service rating: Good value, great choice and speedy delivery.
Product: Good choice of dosages. A*
Service rating: they send everything on time and the best for prices we can get on line
Product: my wife's takes themas she as a low immune system
Service rating: Vitamins at low prices. Sent promptly. Appreciated the recyclable packaging designed to fit easily through the letterbox. Easy to use website with useful information about products. Would have preferred fewer additives in the tablets.
Product: Good top up dose in small, easy to take tablets. No side effects. Would prefer fewer additives.
Service rating: Easy to order quick delivery.Fits through letterbox so no missed delivery.
Product: Quick easy delivery Fits through letter box
Service rating: The product was fairly priced and of a good quality. The delivery was prompt and professional.
Product: The D3 400iu have the correct strength and can be used by everyone in my family. Since there is not enough sun in the UK we take one D3 tablet daily and it seems to be just the right amount.
Service rating: Very efficient and easy ti order
Product: Because of my age I need vitamin D to help my immune system
Service rating: The service is quick, especially as I live in Spain and everything is well packed and arrives here safely.
Product: I don't spend a lot of time in the sun, even though I live in Spain and thought that this may top up vitamin D which I may not be getting from the sun.
Service rating: Our tablets arrived as stated the next day, packed neatly in a padded envelope delivered by post. Excellent service.
Product: To boost our immune system.
Entirely trouble free transaction. Arrived on time.
Service rating: Always good service
Product: Vitamin D supplement is good I am taking it as I suffer from Vit D Deficiency and get pains in my legs. The supplement has helped
very good and fast delivery
Service rating: The vitamins are good value and delivery is prompt.
Product: I'm taking D3 as a supplement when I can't spend time in the sun
Service rating: Great product availability, gave up on supermarkets trying to find Vitamin D. Good price and fast delivery.
Product: Essential, especially during current pandemic.
Service rating: Good service and packaging.
Product: Vitamin D3 is hopefully beneficial.
Service rating: Easy to use website. Lots of good value choic, excellent value! Kept informed of order progress. I also like my vitamins arrived in zip bags rather than a plastic container, easier to post and to store. I will use again and highly recommended.
Product: Vitamin D to improve bones, teeth and general wellbeing. I've been using for a couple of weeks and have already noticed an improvement with my hair and nails, I also seem to have more energy and sleeping better at night
Fast efficient service.
Service rating: Excellent. Value for money
Product: Excellent value and good for the immune system
Service rating: Easy to order. Delivery on time.
Product: T
Service rating: I would buy from "just Vitamins again", as the site is easy to use. They had exactly what I wanted. Check out and payment was easy, and they arrived soon after. I also liked the packaging, a resealable papery pouch, much better for the enviroment than a conventional plastic tub.
Product: The tablets are small and easy to swallow. They come in a resealable pouch less fiddly than a conventional tub.
Service rating: Very good price and great servuce
Product: As an over 70 year old I’ve been taking vitD3 for over 18months to keep bones strong after a fall where I broke my hip
Quick and efficient service at a good price.
Service rating: Prompt delivery and sensible price
Product: Aids Calcium absorption for healthy bones and may have positive effect on immunity
Great product, good value and efficient service. Recommended.
Easy to view website and ordering.
.use this company every time I want vitamins, always reliable
Service rating: Excellent competitive price fast service
Product: protects against infection and builds immunity
Service rating: I will buy again
Service isexcellent
Product: Maintaining general well being
Service rating: Quick delivery
Product: Have no evidence it is working but hope it is topping up my vitamin D
Good, reliable company and competitive prices. Would recommend.
I would recommend them
Service rating: The best price on the Internet. Vitamins came in a pouch, so fitted easily through the letter box. Great service
Product: Easy way to get enough Vit D. Cannot get enough from sunshine!
Good quality and vitamin have a the right amount in them
Service rating: Great products, service, and price. Am a regular customer.
Product: Improved skin, hair and nail condition.
Service rating: GREAT SERVICE


Great, and reasonable price.
Service rating: Good packaging- fast free delivery.
Easy to use website.
Product: Easy to swallow tablets.
Service rating: Great value product and super fast delivery. Will buy from here again when I run out.thank you
Product: I have a vitamin D deficiency, I eat a healthy diet so wanted to take D3 only as we lack sunshine in this country, particularly in the winter. I have been taking 2000iu per day and I feel better than I have in years .
Good value, but the pills tasted chalky and they arrived in paper bags, so I had to find a suitable bottle to put them in
Service rating: Excellent service as usual, I have used Just Vitamins for a long while, cannot fault the service or product.
Product: They do work and help arthritis
Package damaged 1/3 of goods no longer usable
Feedback Response: Hello Martin

We're sorry to hear that some of your supplements didn't reach you in the condition that they should have. Unfortunately it looks likely that your package was damaged in transit on this occasion One of our Customer Services team will contact you to arrange for replacements to be sent out to you.
Service rating: As always, Just Vitamins had the vitamins I wanted at the best price I could find. Very quick delivery also.
Product: We don't get enough sunshine all year round
Service rating: I like the fact that the vitamins come in a flat pack which goes through the letterbox. No need to make special delivery arrangements.
Product: Apparently we should all be taking vitamin D in the winter.
Have bought from Just Vitamins for years. Easy to order & prompt delivery.
No problems
Service rating: Yes I would order again
Product: Easy to take. Taking on GPs advice

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Dispatch Notice

Due to a relocation to new larger and bespoke premises, we will not be dispatching orders fully until Monday 14th September.
We apologise for any inconvenience caused.