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Nutrapure Vitamin D3 Calcium & K2

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Nutrapure Vitamin D3, Calcium & K2 work synergistically to help maintain bone strength into later life. Calcium helps strengthen bones, vitamin D helps the body absorb the calcium and vitamin K makes sure the calcium gets to bones to keep them strong.


Vitamin D3, Calcium & K2 are the dynamic trio to help keep bones strong & healthy

Calcium is well-known as the mineral required to help maintain bone strength. Vitamin D has been noted as the vitamin that enables the body to absorb the calcium from our diet. But what is K2? Vitamin K2 is in fact the vitamin that makes sure the calcium (that is absorbed with the help of Vitamin D) ends up in the right place – in bones.

Known as the ‘sunshine vitamin’ (as the body converts sunlight into this nutrient) Vitamin D has become one of the most popular supplements taken nowadays due to the lack of daily sunshine. But taking Vitamin D can be problematic unless you are also getting a good amount of Vitamin K2 as well. This is because when you take Vitamin D by itself, the body produces more vitamin K2 proteins. These proteins are what moves the calcium around the body. They have many possible benefits which remain unrealised unless K2 is consumed in order to activate those proteins. By taking Vitamin D, the body then has a demand for K2. The two vitamins work exceptionally well together.

Therefore, taking a Vitamin D supplement alone means you should also be taking Vitamin K2 in order to make sure that calcium is being deposited where needed. If not, Vitamin D toxicity could occur. Its symptoms include inappropriate calcification. This is in fact a lack of vitamin K2 that causes this, not too much Vitamin D itself.

Vitamin K2 has no toxicity as it simply activates any K2 proteins it finds. So if there are no more proteins to be found but you took additional K2, the additional K2 would do nothing as there were no other proteins to be found – this is why it is believed there is no potential for toxicity.

Features and Benefits - Why take Nutrapure Vitamin D3, Calcium & K2:

  • Unique high-strength formulation
  • Helps keep bones strong
  • Helps absorb calcium


Is Nutrapure Vitamin D3, Calcium & K2 Right for Me?

In order to help keep bones strong throughout life, a healthy balanced die is necessary. If you are deficient in Vitamin D, K2 or Calcium then bone strength could deplete with age and conditions such as Osteoporosis could develop. Therefore, if there is a deficiency in your diet, it is best to supplement the aforementioned vitamins to help your bones remain strong & healthy into later life.

Vitamin D3, Calcium & K2 in the Press

Health Article: Daily Mail: The 'cheesy' vitamin that boosts bones: Substance found in chicken liver could mean an end for osteoporosis

Capsules containing a vitamin found in cheese and chicken livers could protect against the ravages of a bone-thinning condition that causes misery to half of women over 50.

A top hospital has launched a clinical trial into the use of Vitamin K supplements for those with osteoporosis – the condition in which poor bone strength increases the risk of fractures and, for some, makes even standing and walking painful.

Researchers at the Osteoporosis Screening & Research Unit at King’s College London and Guy’s and St Thomas NHS Foundation Trust are recruiting 150 post-menopausal women who have been diagnosed with osteoporosis for the trial of the vitamin and its effects on bone health.

Vitamin K is a fat-soluble vitamin comprising two types, K1 and K2. Vitamin K1 has long been known as a treatment for babies who have blood-clotting abnormalities at birth.

‘We think K2 has a more direct effect on bones,’ says Dr Geeta Hampson, who is leading the new study that will give Vitamin K to women with low levels of it.

In Japan, a compound of Vitamin K2 called menatetrenone (MK4) is already being used for osteoporosis.

They are taken in conjunction with supplements to boost levels of calcium – the most prevalent mineral in bones – and Vitamin D, which helps its absorption.

Researchers also believe that Vitamin K activates the function of a bone-derived protein called osteocalcin that is produced by osteoblasts.

‘We think that by improving the function of the proteins involved in bone mineralisation, the bone will hang on to more calcium which may make our bones stronger,’ says Dr Hampson.

The Nutrapure Difference - What Makes Nutrapure Vitamin D3, Calcium & K2 Better than Other bone strength Supplements?

  • Made from only pure ingredients.
  • Contains all three key vitamins & minerals to support bone strength
  • Capsule formulation easier to swallow.
  • Higher strength than other leading high street outlets.
  • Contains no: Gluten, Lactose or Wheat.
  • Suitable for vegetarians. Approved kosher.



  • Calcium is needed for the maintenance of normal bones
  • Vitamin D contributes to normal absorption/utilisation of calcium and phosphorus
  • Vitamin D contributes to the maintenance of normal bones
  • Vitamin K contributes to the maintenance of normal bones                                                                         


The European Food Safety Authority (EFSA) is the regulatory body of the European Union that serves as an independent agency to review scientific research to provide advice and communication on nutritional ingredients.

EFSA approved products give legal clarity to nutritional ingredients and gives consumers’ confidence in claims being rigorously assessed and proved to have the stated effects.

Recommended by our health experts

Recommended by our health experts Nutrapure Vitamin D3, Calcium & K2 has been developed by clinical healthcare experts. The ingredients have been carefully formulated with research to ensure they deliver results. Nutrapure Vitamin D3, Calcium & K2 is also recommended by nutritionists.

About Nutrapure

Nutrapure products are just that - ‘pure’. Made using only premium quality ingredients, all products bearing the Nutrapure brand are made using ‘pure’ ingredients, meaning they do not contain any fillers or binders, and manufactured to the highest standards. Each supplement is designed to meet the highest standards of quality, purity and effectiveness.

Nutrapure only provide the highest quality encapsulated and powdered supplements. We do not, and never will, manufacture supplements in tablet form. Tablets usually require binding agents, fillers and other excipients to seal the tablet, often introducing numerous unnecessary additives and even potentially harmful chemical agents. A capsule however, has the benefit of not needing any additional ingredients beyond the specified formula, allowing for higher strength and healthier supplements.

At Nutrapure we believe that quality is paramount when it comes to vitamins and supplements. We believe that you should be able to trust anything you eat, and should know exactly what it is that you're putting in your body. This is why Nutrapure ensures all its supplements are:

  • Made from Pure Ingredients
  • Made in Britain


Each capsule provides:

Calcium (Citrate) 100mg, Vitamin D3 20μg (800IU) 8mg, Vitamin K2 100μg 50mg. Capsule Shell: Vegetable Cellulose 100mg


How to take Nutrapure Vitamin D3, Calcium & K2:

As a food supplement, take 2 capsules daily with a meal, or as directed by a healthcare professional.



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Delivery Information

We know what a difference a speedy delivery makes and have a range of delivery options for you when you place your order.

Free Delivery When You Spend Over £50

We offer free standard delivery on orders over £50 in value to UK Mainland destinations.

Standard UK Delivery

Our Standard Delivery cost is £3.49.

Standard Delivery is available on orders on all mainland UK orders below 15kg. Deliveries will be made within 2-3 working days after you place your order [excluding Weekends] via Royal Mail. Please allow 7 full working days for your products to arrive.

If you are not around to accept your parcel, the carrier may leave it with a neighbour, or in a safe place (if they think it is safe to do so). A calling card will be left to let you know this has been done.

If the parcel can't be left in a safe place or with a neighbour, the carrier will take it back to the local depot, and leave you a card telling you how you can arrange redelivery.

Next Day Delivery (Mon - Fri)

Our Next Day Delivery (Mon - Fri) option is offered through DHL and only available for UK Mainland. It is priced at £5.95. The maximum weight per parcel is 30kg.

Channel Islands & Europe

Our delivery rates vary by destination and start from £4.95. The correct delivery charge will be displayed at checkout.

International colon cleansing product orders

International Orders

Our delivery rates dependent on the weight of your parcel and destination and start from £7.95. The correct delivery charge will be displayed at checkout.


Product Review(s) - 5 Reviews

Great, effective formulation for bone health.

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The science behind this combination of ingredients shows just how important each ingredient is to the body. I want to take care of mine so that is why I started taking these.

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As a woman I know my bones will weaken as I get older so I am taking these to help keep my bones strong.

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I take these to help my bones stay strong throughout life.

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I am a weightlifter. Lifting weights put a lot of stress and strain on my bones and joints. I need them strong which is why I take these (alongside other supplements). The combination works for me. I need to stay strong and these capsules are strong.

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