While there are plenty of foods and some health conditions that cause constipation, certain supplements may also be to blame.

Medically reviewed by Erika Prouty, PharmD Millions of Americans are deficient in vitamin D, and many have turned to ...

Note: The U.S. Food and Drug Administration (FDA) does not approve supplements for safety or effectiveness. Talk to a healthcare professional about whether a supplement is the right fit for your ...

When consistently taken in higher doses, vitamin D supplements may lead to digestive issues such as constipation. Too much ...

Some supplements taken together can hinder absorption or cause undesirable side effects. Always speak to a healthcare provider before starting a new supplement. When possible, prioritize food over ...

After analyzing 10 years of medical tests on more than 2,700 people in a federally funded heart disease study, researchers at Johns Hopkins Medicine and elsewhere conclude that taking calcium in the ...

May 30, 2012 (Heidelberg, Germany [UPDATED])— Authors of another study suggesting that calcium supplements might increase the risk of MI say people who do need more calcium should first and foremost ...

Unsupervised supplement use is rising as more people self-prescribe vitamins and minerals. Doctors warn of hidden risks, from organ damage to delayed diagnosis.

Combining supplements could be causing you more harm than good if you don't consider the active ingredients in the tablets. A ...