Chocolate milk: better for runners than a sports drink?

“Sports nutrition is just nutrition, with an extra word in front.” — Allen Lim, Ph.D.

Gretchen Reynolds, a fitness and health reporter for The New York Times, noted the words above in her 2012 book “The First Twenty Minutes,” spoken by a physiologist who trains some of the world’s most elite racing cyclists.

When she asked Dr. Lim about the food we eat w…