Description
What is Adcal-D3 Dissolve and what is it used for?
Adcal-D3 Dissolve is a combined calcium and vitamin D3 supplement designed to help maintain healthy bones and teeth. Each tablet contains calcium carbonate and vitamin D3 (colecalciferol) – two essential nutrients that work together to support bone strength, calcium absorption, and muscle function.
It provides additional dietary calcium and vitamin D when your intake from food or sunlight isn’t sufficient. Doctors may prescribe Adcal-D3 Dissolve to:
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Support bone health in adults and older individuals
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Treat or prevent osteoporosis and related bone loss
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Help maintain calcium levels during periods of low dietary intake
Clinical studies have shown that long-term supplementation with calcium and vitamin D3 can help reduce the risk of hip and other non-vertebral fractures in later life.
For more information on calcium and bone health, visit the NHS calcium guide.
How does Adcal-D3 Dissolve work?
Each effervescent tablet releases calcium and vitamin D3 once dissolved in water:
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Calcium carbonate provides a vital mineral needed for the growth and maintenance of bones and teeth.
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Vitamin D3 (colecalciferol) enhances calcium absorption in the intestines and helps regulate its levels in the blood.
Together, these nutrients:
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Support normal bone and teeth structure
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Contribute to muscle function
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Help maintain a healthy immune system
Adcal-D3 Dissolve is especially useful for individuals with limited sun exposure, restricted diets, or increased calcium requirements.
The importance of Vitamin D
Vitamin D – often called the “sunshine vitamin” – plays a crucial role in maintaining overall health. It contributes to:
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The normal absorption and utilisation of calcium and phosphorus
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The maintenance of normal bones, teeth, and muscle function
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The normal functioning of the immune system
During autumn and winter, or if you spend most of your time indoors, it can be difficult to produce enough vitamin D from sunlight alone. Supplements like Adcal-D3 Dissolve help maintain optimal vitamin D levels year-round.
Learn more on the NHS Vitamin D page.
Key Benefits of Adcal-D3 Dissolve
- Provides calcium and vitamin D3 in one convenient effervescent tablet
- Helps maintain strong bones and healthy teeth
- Supports muscle function and immune health
- May help reduce the risk of fractures in later life
- Ideal for individuals with limited dietary calcium intake or low sun exposure
How to take Adcal-D3 Dissolve
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Adults, elderly and children over 12 years:
Dissolve one tablet twice daily in a glass of water and drink immediately. -
Children under 12 years:
Not recommended unless advised by a doctor. -
Do not exceed the recommended dose unless directed by a healthcare professional.
Always follow the dosage instructions on the pack and read the patient information leaflet before use.
Who should not take Adcal-D3 Dissolve
Do not take this supplement if you:
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Are allergic to calcium carbonate, vitamin D3, or any other ingredient in this product
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Have high calcium levels in your blood or urine
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Suffer from severe kidney problems or kidney stones
Speak to your doctor or pharmacist before taking Adcal-D3 Dissolve if you:
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Have a history of sarcoidosis or other inflammatory conditions
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Are on medications such as diuretics, digitalis, or calcium supplements
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Have been told you are intolerant to certain sugars
Ingredients
Active ingredients (per tablet):
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Calcium carbonate: 1500 mg (equivalent to 600 mg elemental calcium)
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Vitamin D3 (colecalciferol): 400 IU (equivalent to 10 µg vitamin D3)
Other ingredients:
Citric acid, sodium bicarbonate, lemon flavour, and sweeteners.
Frequently Asked Questions
What is the difference between Adcal-D3 Caplets and Adcal-D3 Dissolve?
Adcal-D3 Dissolve is an effervescent tablet that dissolves in water, ideal for people who have difficulty swallowing solid tablets.
Can I take Adcal-D3 Dissolve during pregnancy or breastfeeding?
Yes, but only under medical supervision. Your doctor will ensure you’re getting the right amount of calcium and vitamin D for you and your baby.
How long should I take Adcal-D3 Dissolve 1500 mg/ 400 I.U. for?
It can be used long-term, particularly for people with ongoing calcium or vitamin D deficiency, but always follow your doctor’s guidance.
Can I take Adcal-D3 Dissolve with other medications?
Consult your doctor before combining it with other supplements or prescription medicines, especially if they contain calcium, vitamin D, or diuretics.
What are the common Adcal-D3 Dissolve side effects?
Adcal-D3 Dissolve is well tolerated, but taking too much may cause stomach upset, constipation, or high calcium levels in the blood. Seek medical advice if side effects occur.

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