Stephanie Howe, Ph.D. is a CTS Pro Coach and nutritionist. She has a Ph.D. in Nutrition & Exercise Science from Oregon State University and a Sports Nutrition Diploma from the International Olympic Committee. She is also the 2014 Western States Endurance run champion. Dynamic Energy Balance Figure Example of factors that impact EI and EE (Full article)My Fitness Pal most user friendly to track intakeUSDA Food Data Central. Most accurate database for food compositionHarris-Benedict equationSUBSCRIBE to Research Essentials for UltrarunningBuy Training Essentials for Ultrarunning on Amazon or Audible.Information on coaching-https://www.trainright.comKoop’s Social Media: Twitter/Instagram- @jasonkoop