We see it mentioned in sports supplements, in nutrition magazines, and even in some post-operative diets. But what is glutamine really used for? Is it an essential nutrient? And do we really need to ...

The retina places a large energy demand on the body, in part due to the activity of photoreceptors. These specialized cells are responsible for receiving light and transmitting visual information to ...

Lindsey DeSoto, RD, is a nutrition writer, medical reviewer, and registered dietitian who helps clients improve their diet for health-related reasons. Her writing covers a variety of topics, including ...