Calcium and Vitamin D
Also known as: Calcichew D3, Adcal D3, Cacit D3
What it's for
Calcium and vitamin D supplement for bone health. It is used to prevent and treat calcium and vitamin D deficiency, especially in people with osteoporosis or at risk of it.
Comes as: Chewable tablets or effervescent tablets
How to take it
- Adults: Usually 1 or 2 tablets daily.
- Chew the tablets - do not swallow whole.
- Effervescent tablets dissolve in water.
- Can be taken with or without food.
Doses here are typical. Always follow the instructions from your prescriber or on the packet — they come first.
Common side effects
- Constipation
- Wind or bloating
- Feeling sick
The leaflet inside the packet lists all known side effects.
Important safety points
- Do not take more than recommended - too much calcium can be harmful
- Take 2 hours apart from some antibiotics and other medicines
- Tell your doctor if you have kidney problems or high calcium levels
- Keep well hydrated
Get medical help urgently if…
- You have severe constipation or stomach pain
- You feel very thirsty and are passing lots of urine
- You feel confused or very tired
- You have muscle weakness
Call NHS 111 for urgent advice, or 999 if someone is seriously unwell.
Before you act on anything here
This page is general information, written to help you understand — it is not personal medical advice and it cannot tell you what is right for you. Talk to your own GP, pharmacist or nurse about your own health.
- Need help now but it's not an emergency? Call NHS 111 or use 111.nhs.uk.
- Emergency? Call 999 or go to A&E.