Selenium Se

What Is Selenium?

Although seemingly unknown by many for so long, selenium jumped into the spotlight a couple of decades ago when researchers identified that a mysterious type of heart disease in Asia (see below) was actually caused by selenium deficiency—another example of how a small amount of a mineral can have a huge impact on the normal functioning of the body.

What Foods Provide Selenium?

Like many of the trace minerals, the quantity of selenium in natural food sources is often a reflection of the soil content in which plants were grown and the animals grazed. Animal products, including seafood, seem to be better sources of dietary selenium than plants (Table 10.13).

What Are Current Recommendations for Selenium Intake?

The RDA for selenium is the same for adult men and women at 55 micrograms daily. However during pregnancy and lactation the RDA increases to 60 and 70 micrograms daily.

Table 10.13 Selenium Content of Select Foods

Food Selenium Food Selenium

Your Heart and Nutrition

Your Heart and Nutrition

Prevention is better than a cure. Learn how to cherish your heart by taking the necessary means to keep it pumping healthily and steadily through your life.

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