Sarah Tappan, RD, LDN

Registered Dietitian

Sarah is a licensed Registered Dietitian with clinical roots in critical care nutrition and a passion for translating science into practical nutrition strategies that work in the real world. She holds a B.S. in Nutrition and Dietetics from the University of Delaware and has worked across hospitals, performance nutrition settings, and digital health platforms.

As a Consulting Nutrition Advisor for The Fit Boxx, Sarah evaluates supplement formulations, meal structures, and macro strategies to ensure that each nutrition element we deliver supports recovery, performance, and long-term consistency. She provides expert guidance on how our products align with evidence-based practice, while remaining adaptable for users at any fitness level.

Sarah’s clinical background includes leading nutrition care for ICU and surgical patients at HCA Florida Largo Hospital, where she collaborated daily with critical care teams on enteral and parenteral feeding strategies, malnutrition support, and complex case management. She currently works in telehealth nutrition counseling for Foodsmart, helping clients achieve a variety of health and dietary goals using personalized, evidence-based support.

In addition to her clinical expertise, Sarah has worked with athletes, supported community health programs, and served in performance nutrition roles, bringing a 360-degree view of how to fuel the human body under pressure.

With a deep understanding of both clinical precision and everyday application, Sarah helps ensure that every nutrition recommendation we make at The Fit Boxx is not just effective, but actually sustainable.