Vitamin D

Treatments and tests for low vitamin D levels

Prices from £9.99

Simply fill in a brief questionnaire. One of our doctors will review your order and prescribe a suitable treatment. How to Order

Vitamin D is essential for a human body to work as it should. It’s present in some foods, and plays an important part in keeping bones strong.

Vitamin D regulates the amount of calcium and phosphate in your body – nutrients which are needed for healthy teeth, bones and muscles.


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Vitamin D Test

In stock. Prices from £39.99

1 Valupak pack of 60 1000iu vitamin D3 tablets and 1 box of SunVit-D3 10000iu cholecalciferol oral film coated tablets
Vitamin D Starter

In stock. Prices from £29.99

1 Valupak pack of 60 1000iu vitamin D3 tablets
Vitamin D Continuation

In stock. Prices from £9.99

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About vitamin D

Who can get treatment online

Adults can get treatment online, if a vitamin D insufficiency or deficiency is confirmed by a blood test.

How to place your order

  1. Fill out a short online assessment about your health
  2. Place an order for your preferred treatment
  3. A Zava Doctor will check your assessment to see if your order is right for you
  4. If your order is right for you, then it can be posted to your preferred address or you can collect it from a local post office instead

Common side effects of vitamin D supplements and treatments

We offer Cholecalciferol, in dosages of 1000 IU and 10000 IU. Side effects of Cholecalciferol can include:

  • Nausea
  • Vomiting
  • Loss of appetite
  • Stomach ache
  • Constipation
  • Thirst 
  • Needing to pee more often
  • Confusion
  • Muscles weakness
  • Bone pain


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