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.

Vitamins are Like Engine Oil

Runners Daily Vitamin

Scott W. Tunis MD FACS | You are supposed to operate your engine with the oil level on the FULL mark. If your engine oil is a little low, you won’t even know it. Your...