Robert Portman

Robert Portman, Ph.D., is managing partner at Signal Nutrition, LLC, a nutrition technology research and development company, and founder of PacificHealth Laboratories. He is co-author of Nutrient Timing and The Performance Zone

Robert Portman, Ph.D., is managing partner at Signal Nutrition, LLC, a nutrition technology research and development company, and founder of PacificHealth Laboratories. He is co-author of Nutrient Timing and The Performance Zone See less