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Sunvit D3 Tablets

  • High-strength 20,000 IU Vitamin D3 weekly tablets
  • Treats Vitamin D deficiency and supports bone health
  • Vegetarian-friendly, gluten-free, and easy to swallow
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Fast & Free Delivery Options

Variety of delivery options including next day & free delivery.

100% UK-based Pharmacy

Pharmacy, clinic and prescribers based in Greater Manchester.

Free Online Consultations

Start your treatment with a quick and free online consultation.

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About Sunvit D3 Tablets

Sunvit D3 Tablets contain 20,000 IU (500 micrograms) of cholecalciferol, a potent form of Vitamin D3 essential for maintaining healthy calcium and phosphate levels in the body. These high-strength tablets are specifically formulated to treat Vitamin D deficiency and support the maintenance of normal bones, teeth, and muscle function. By enhancing the body’s ability to absorb calcium, Sunvit D3 helps prevent bone-related conditions and strengthens the immune system. Sunvit D3 20,000 IU is suitable for adults and is available in a convenient monthly supply:

  • Sunvit D3 20,000 IU – 28 Tablets
Medication Name Sunvit D3 20,000 IU Tablets
Active Ingredient Cholecalciferol (Vitamin D3) 20,000 IU
Medication Form Film-coated tablets
Used to Treat Vitamin D deficiency and maintenance of bone health
Available Sizes 28-tablet pack
Who Can Use It Adults (18 years and over)
Prescription Required? No – GSL

What Is Sunvit D3 20,000 IU Used For?

Sunvit D3 is used to rapidly restore and maintain healthy Vitamin D levels in adults. It is primarily used to treat Vitamin D deficiency, prevent insufficiency in high-risk groups, and as an adjunct to specific osteoporosis treatments. It ensures the body can effectively utilise calcium for skeletal strength.

Who Is Sunvit D3 Suitable For?

Sunvit D3 20,000 IU is suitable for adults over the age of 18.Do not use Sunvit D3 if you:

  • Are allergic to cholecalciferol or any other ingredients in the tablet
  • Have hypercalcaemia (high calcium levels in the blood)
  • Have hypercalciuria (high calcium levels in the urine)
  • Suffer from severe kidney problems or kidney stones
  • Already have high levels of Vitamin D in your blood (hypervitaminosis D)

Speak to a healthcare professional before use if you:

  • Have heart disease or narrowing of the arteries
  • Suffer from sarcoidosis (an immune system disorder)
  • Are taking other Vitamin D supplements or medications containing calcium
  • Are pregnant or breastfeeding (high-dose D3 requires medical monitoring)

How to Take Sunvit D3 20,000 IU

  1. Check your recommended dosage; usually, this is one tablet per week.
  2. Take the tablet at the same time each week to maintain consistency.
  3. Swallow the tablet whole with a glass of water.
  4. It is best taken with a meal containing some fat to improve absorption.
  5. Do not chew or crush the film-coated tablets.

Possible Side Effects of Sunvit D3

Most people do not experience side effects if the correct dose is taken. However, potential effects include:

  • Hypercalcaemia: Too much calcium in the blood (nausea, vomiting, constipation, or thirst).
  • Hypercalciuria: Excessive calcium in the urine.

Rare side effects:

  • Skin rash, itching, or hives.
  • Digestive issues like flatulence or abdominal pain.

Warnings and Precautions

  • Do not exceed the stated dose of one tablet per week unless instructed by a doctor.
  • Regular blood tests may be required to monitor calcium and Vitamin D levels during treatment.
  • Keep out of reach of children as high doses of Vitamin D can be toxic to young children.
  • Store in the original packaging to protect from light and moisture.

Storage Instructions

  • Store in a cool, dry place below 25°C.
  • Keep the container tightly closed.
  • Keep out of sight and reach of children.

 

Sunvit D3 Tablets Reviews

Our Experienced UK-based Pharmacy Team

Clinical Consultant
MUDr, MRCEM, EBCEM, FRCEM
GMC no. 7176414

Pharmacist
MPharm
GPhC no. 2065469

Pharmacist
MPharm
GPhC no. 2046514

Page content authored by Amjad Khan, last reviewed by Dr Hussain Ahmad on 2nd April 2026.

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