Do Vitamins Work?

Runners Essentials

Scott W. Tunis MD FACS  |  An absolute deficiency of any of the 13 essential vitamins or essential trace elements is incompatible with life.

Eye Health and Running: What Should I Know?

Runners Daily Vitamin

Scott W. Tunis MD FACS |  Board Certified Eye Physician and Surgeon Think about all the time, money and effort we as runners invest in protecting our bodies, muscles and joints from the physical demands...

Iron and 2,3-DPG are Wonderful Things

Runners Daily Vitamin

Scott W. Tunis MD FACS | Iron is the element in hemoglobin in our red cells that binds and carries oxygen. It’s also why our blood is red. Low in Iron = less oxygen delivery...