Calcium serves several functions in the body, although it's mostly known for its ability to strengthen the bones and teeth. Calcium does not facilitate digestion, but it does help regulate muscle contractions, which can include muscles in the intestines. In addition, some calcium food sources such as milk or yogurt can cause disruptions in digestion due to the sugar lactose. Dietary fiber, water and exercise all help facilitate proper digestion.
Calcium Uses
Over 90 percent of calcium found in the body is used to strengthen the teeth and bones, with very little calcium left in the bloodstream, but the leftover helps control nerve impulses, muscle contractions and hormone secretion, according to the Office of Dietary Supplements. The daily recommended allowance of calcium for adults is 1,000 mg, obtainable through eating dietary calcium sources such as milk-based yogurt, sardines or green leafy vegetables such as spinach and broccoli. People with calcium deficiency, adults over the age of 51 or women in the stages of menopause may require more calcium than necessary. They may not get enough calcium through dietary sources and may need to take calcium supplements.
Dietary Fiber
Dietary fiber is found in plant-based foods and is not digested by the body. Dietary fiber works to lower cholesterol, balance blood sugar levels, increase weight loss and regulate digestion. A diet high in dietary fiber reduces the occurrence of constipation and may help to relieve diarrhea. The recommended daily allowance of dietary fiber for men is 38 grams and 25 grams for women. Dietary fiber sources include whole wheat, nuts, seeds, pulses and vegetables.
Lactose Intolerance
People who suffer lactose intolerance are not able to digest foods that contain lactose. Lactose is a sugar found in most milk-based dairy products, and people with lactose intolerance lack the enzyme lactase, which works to break down lactose in the body. Lactose intolerance causes changes in digestion such as constipation or diarrhea, abdominal bloating and abdominal discomfort after eating or drinking dairy products. People with this condition may need to take calcium supplements since they are not able to obtain calcium through eating dairy products.
See a Doctor
Speak with your physician if you are unable to tolerate eating calcium-rich foods such as fish or dairy products before taking calcium supplements. If you have problems with digestion consult with your physician before treating it using calcium supplements.
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