Stevie Lyn Smith, MS, RDN, CSSD, CDN, is a registered dietician, sports nutrition specialist, marathon runner, 10X Ironman triathlete, and adventurer.  She is the Founder of Stevie Lyn Smith Nutrition Wellness Consulting, PC and writes for my fave wellness company and podcast partner, InsideTracker. Today Stevie and I sync up about all things endurance sports…