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Multivitamin That Won't Cause Constipation or Bloating

author image Shannon Hyland-Tassava
Shannon Hyland-Tassava has more than 16 years experience as a clinical health psychologist, wellness coach and writer. She is a health columnist for the "Northfield (Minn.) News" and has also contributed to "Motherwords," "Macalester Today" and two essay anthologies, among other publications. Hyland-Tassava holds a Ph.D. in clinical psychology from the University of Illinois.
Multivitamin That Won't Cause Constipation or Bloating
A woman is taking a multivitamin from her table. Photo Credit: thodonal/iStock/Getty Images

Many individuals take a daily multivitamin to make up for nutritional lapses in their diets. While health experts generally agree that the best source of nutrients is whole food, notes there are valid reasons for taking a daily multivitamin -- for instance, if your diet is lacking in healthy food, you're a vegetarian or strict vegan who may not eat a varied diet, you're pregnant or nursing or you have a health condition that interferes with nutrient absorption. But multivitamins can cause digestive upset for some people. If you suffer from constipation or bloating from your vitamins, consider some basic guidelines for taking supplements healthfully.

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Step 1

Speak to your physician before taking a multivitamin. Although multivitamins are safe for many people, all supplements can cause negative side effects or even drug interactions in certain situations. It's best to discuss supplements with your doctor, and ask about the best way to avoid digestive side effects from taking multivitamins.

Step 2

Follow dosage recommendations carefully. Certain nutrients can cause constipation or bloating if taken in excess. In particular, too much iron can cause constipation, according to Arizona State University. Esa M. Davis, M.D., M.P.H., of the Case Western Reserve University School of Medicine, notes that excessive calcium can cause constipation as well. Your best bet to avoid digestive upset while taking multivitamin supplements is to stick with the dosage level recommended by your physician or the instructions on the product label -- generally one pill per day.

Step 3

Choose a multivitamin without iron, and with less calcium than other supplements, if you continue to experience digestive symptoms such as constipation or bloating. You may need to try a few brands before you find the best one for you.

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