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Super Strength Vitamin D3 Tablets - 4000iu

Premium Natural Source Vitamin D3 - helping to maintain a healthy immune system

11 reviews9210040
  • Super strength 1 a day tablet
  • Helps build strong bones and teeth
  • Ideal strength to quickly correct deficiency
  • 2000% Nutrient Reference Value
Only 11.6p per tablet
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Supplement Description

Our Vitamin D3 4000iu is a strength recommended by nutritionists to quickly correct deficiency. Vitamin D supplementation can play an important role in correcting Vitamin D deficiency to ensure the maintenance of adequate levels in the body.

Vitamin D plays a number of crucial roles in the body including providing support for immune health, muscle health and strong bones and teeth. Vitamin D can be obtained through food sources such as eggs, fortified cereals and oily fish, but is predominantly synthesised in the skin through exposure to sunlight - hence why it is often referred to as the 'sunshine vitamin'.

Most healthy adults should theoretically be able to get enough Vitamin D from being outside in the sunshine, however Vitamin D deficiency is very common throughout the UK. This is as a result of a low level of exposure to sunlight, making Vitamin D synthesis almost impossible during the winter.

High strength, natural form tablet

Our 4000iu high strength Vitamin D supplement provides 100µg (2000% NRV) in an 8mm round, odourless tablet with no coating. We use a high quality natural form of Vitamin D, Cholecalciferol (Vitamin D3) in this supplement - the form of Vitamin D most readily absorbed by the body. Our manufacturing process gives us a highly concentrated form of Vitamin D3 which offers 99% purity and unbeatable quality.

Recommended as a food supplement by the FSA

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

People 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

Vitamin D and rickets in children

Vitamin D is crucial for the maintenance of health and strong bones, a deficiency in Vitamin D can cause rickets in young children which is a weakening and softening of bones which can lead to bone deformities. After World War II instances of rickets in the UK were dramatically fewer due to the British government introducing cod liver oil as a supplement - this is a great food source of Vitamin D. However between 2003 and 2013 the NHS reported a 430% increase in cases of rickets, an alarming statistic highlighting a growing health problem.  

Product Information

Tablet Size
8mm Round
Cautions & Warnings
List of Ingredients
Recommended Intake
Legal Category


Customer Reviews for Super Strength Vitamin D3 4000iu

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 9.2 / 10 - 11 customers have independently reviewed and recommend Super Strength Vitamin D3 from 11 reviews
Review Date
Review Details
Service rating: Great service
Product: Great for a boost
Service rating: Excellent service as always, not keen on having to purchase £50.00 pounds worth of good before getting free delivery, this was not always the case it was free. The products that I use are of high quality.
Product: I take Vitamin D for my bones I have Osteopenia I find these help to keep my health under control and get all the vitamin D I require to lack of the sun especially in winter
Service rating: Prompt and efficient
Product: Used as recommended by consultant for my multiple sclerosis.
Service rating: Very satisfied with the products and service I have received from Just Vitamins.
Product: Very satisfied with the Vitamin D.
Always deliver on time and have good quality products at reasonable prices
Website easy to follow, and good delivery service
Service rating: I have been using Vitamin D3 for over 4 yrs now. I recently stocked up another batch only to find out they have altered their ingredients slightly. The bulking agent is now stated as the main ingredients of this product which is extremely disappointing.
I personally subscribe to this vitamin because of the healthy natural ingredients. Now this product has been compromised just like majority of products in Holland and Barrett which states as first ingredients bulking agents which is more harmful in the long run.
Product: Bulking agent listed as first ingredients has compromised the benefits of taking this vitamin.
This was not the case few years ago. The bulking agent was listed as number 5, now it’s number one which means we doing more damage to our health due to this toxic ingredient.
Service rating: As I expected,quick service and easy to pack away.
Product: Easy to swallow, I feel a need for this product as I don't get in the open air much in winter.
Service rating: Good service all round.
Product: No idea what to say about the supplement. I take it because of the lack of sunlight in the winter
ordering the vitamins and delivery was excellent. it is too early to give feed back on their efficacy.
Easy to find what I wanted, no problems with ordering. Easy delivery as all my vitamins came in packets so vould go through letter box.