Dr. Oz investigates the dangerous diet fad of extreme juicing. Learn how juice cleanses affect your physical health and what makes them unsafe. Plus, Dr. Oz calls on the “germinators” to discover which rooms in your house have the most bacteria.

Diet and Nutrition

The Dos & Don'ts of Taking Multiple Vitamins and Supplements

When it comes to combining supplements, it pays to know which may block each other from doing their good work and which may amplify their effects.

When it comes to combining vitamins, it pays to know which may block each other from doing their good work and which may amplify their effects.

Fat-Soluble Vitamins: A, D E, and K

Absorption is improved if you take fat-soluble vitamins with a meal containing healthy fats. One study found taking D with your largest meal of the day increases your blood level by 50%.

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