Katie Ernst, RD

Clinical Dietitian | Patient-Centered Nutrition Strategist

Katie Ernst is a Registered Dietitian with over 15 years of experience in clinical nutrition, patient care coordination, and nutrition therapy. She earned her degree in Human Nutrition from Washington State University and has served in a variety of healthcare roles, including hospital-based dietetics, infusion care, and interdisciplinary medical nutrition therapy.

As a Consulting Nutrition Advisor for The Fit Boxx, Katie brings a well-rounded clinical lens to every nutritional component of the platform. She consults on supplement design, evaluates dietary protocols for real-world sustainability, and ensures our nutrition recommendations support both performance outcomes and long-term health.

Katie currently works part-time with MultiCare Health System, where she delivers individualized nutrition care across a broad range of patient needs. Her earlier roles included clinical liaison and account management at Option Care Health, where she specialized in coordinating care for patients requiring advanced nutrition support, including home infusion and enteral therapy.

Known for her ability to blend science with empathy, Katie approaches every nutrition strategy with the end user in mind, making sure the tools we deliver at The Fit Boxx feel just as supportive as they are effective.