Calcium deficiency and inflammatory bowel disease (IBD)

Calcium is important for bone formation and to keep bones strong and healthy. The circulatory and nervous systems rely on calcium to function. Your teeth also rely on calcium to keep them strong. People with inflammatory bowel disease (IBD) are at risk of calcium deficiency.

Vitamin D is important to regulate how much calcium circulates in the bloodstream and how much will be used by bones to maintain healthy structure. People with (IBD) are also at risk of vitamin D deficiency.

Your body does not make calcium and relies on getting it from the food you eat. If it doesn’t get the calcium it needs then the body will break down its own bones (where lots of calcium is stored) to get what it needs. This leads to osteoporosis.

Symptoms of calcium deficiency include:

Why might people with IBD be deficient in calcium?

Calcium is absorbed in the small intestine, so people with Crohn’s disease in this area - IleocolitisIleitisGastroduodenal Crohn’s disease and Jejunoileitis - may find it harder to absorb it.

Steroid medications - such as prednisone - interfere with the absorption of calcium, slow down the process of new bone formation and accelerate the breakdown of old bone. Long-term use of steroids can lead to significant bone loss - thus it’s important that people on these drugs are given calcium supplements at the same time. Steroid medications are commonly used to treat Crohn's disease and ulcerative colitis flares.

People with IBD may also avoid calcium rich dairy foods due to intolerances or because these foods exacerbate their IBD symptoms. If you don't get calcium from other foods in your diet this can lead to a calcium deficiency.

How can calcium deficiency be treated?

Calcium deficiency can be treated either by taking a supplement, increasing the calcium-rich foods you eat - or both.

Milk, yogurt and cheese are all sources of calcium

Non-dairy foods rich in calcium include:

There are also calcium-fortified foods available.

View calcium supplements available to buy*.

*This is an affiliate link

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