What would a premium membership be without amazing handouts? Here's a PDF and the text of the Calcium Handout -- get your copy today!

What role does vitamin K play in heart and bone health? Are Americans getting enough of it? Find out in the latest research review from James J. Kenney, ?PhD, FACN...

Minerals are micronutrients, and we need them for good health. There are 15 different minerals that can be divided into two primary groups: macrominerals and trace minerals.

We don?t eat rocks or dirt, but did you know that they are actually an important part of the food chain? Minerals in the earth are absorbed by water and plants, and then we absorb those same minerals when we eat plants or drink water. We also get minerals when we eat or drink foods that come from animals that consumed the mineral-rich plants and water.

Biologists have long known that the bacteria, protozoa, fungi, yeast, and other microbes that inhabit the guts of all animals can play a key role in their ability to survive.

The How Do Vitamins Work? series continues with a closer look at fat-soluble and water-soluble vitamins. What do they do? What foods contain them? Get the answers in today's post...

There are 13 different vitamins, and they?re vital micronutrients. You can divide them into two groups: fat-soluble and water-soluble.

Probiotics are living microorganisms that are beneficial to our intestinal tract and immune system. They consist of both bacteria and yeast and occur naturally in our bodies. Their job is to help with the digestion of food, inhibit the overgrowth of unfriendly bacteria, prevent inflammation, and detoxify certain enzymes, hormones, and drugs.

Why has Congress decided to expose Dr. Oz as a promoter of numerous questionable supplements? Could it be because there really is little that the Food & Drug Administration (FDA) & Federal Trade Commission (FTC) can do to prevent the promotion of questionable products? Why can't these regulatory agencies stop the promotion of these products by Dr. Oz and similar personalities?

The U.S. Preventive Services Task Force recently reviewed three controlled clinical trials of the impact of taking a multivitamin supplement and also another 24 trials of single or paired vitamins versus a placebo.