Iron is an important mineral, but some supplements make it difficult for your body to absorb, or increase the risk of side effects. Here's how to avoid any issues.

Vitamin D is essential for strong bones and a health immune system. Some foods and supplements affect how well it is absorbed ...

One way of boosting magnesium levels is to take tablets but sometimes tablets are not absorbed well by the gut lining. Some people take a lot of tablets each day in the hope they're adding the right ...

Editor’s note: The podcast Chasing Life With Dr. Sanjay Gupta explores the medical science behind some of life’s mysteries big and small. You can listen to episodes here. (CNN) — Take a walk down the ...

Making sure you get the right amount of daily vitamins can be difficult. Today, a booming multi-billion-dollar industry of gummy vitamins and supplements claims its products make it both easier and ...