Meet Claire Lupfer, RDN
Associate at Jane Reagan Nutrition

Claire has worked as a member of the Jane Reagan Nutrition team since January 2022 where she has assisted with research and resource development. Claire helped develop and currently supports The Eating Disorder Recovery Roadmap for Parents program where she most notably developed >50 informational and interactive handouts for Jane’s parent program. Claire is currently seeing clients for private nutrition counseling under Jane’s supervision via telehealth only, but Claire plans to move back to the Boulder area at the end of 2024.

Before transitioning full-time to Jane Reagan Nutrition, Claire served as a Clinical Inpatient Registered Dietitian Nutritionist at a large hospital in the Minneapolis area for a few years. She worked with patients in various stages of life and health, providing nutrition plans of care, counseling, and education. From critical care to general medical concerns, Claire has experience with eating disorders, gastrointestinal issues, chronic illness and disease, nutrition support (i.e., tube-feeding), oncology, cardiac, surgical, neurological issues, diabetes, weight management, wounds, renal concerns, geriatrics, substance abuse and more in the clinical setting. 

Contact Claire directly at: [email protected]


  • Medical Nutrition Therapy
  • Intuitive Eating
  • Eating Disorders / Disordered Eating
  • SIBO
  • Gastrointestinal / Digestive Concerns
  • Allergy and Food Intolerances
  • Weight Management
  • Meal Planning
  • Tube Feeding
  • Chronic Illness and Disease
  • Blood Sugar Management
Claire Lupfer

More About Claire

Claire was born and raised in Portland, OR. She attended the University of Colorado, Boulder where she earned a degree in Integrative Physiology with a certificate in Public Health. She then went on to pursue a second degree in Dietetics at the University of Northern Colorado, followed by the Dietetic Internship to become a Registered Dietitian. When Claire is not working, she enjoys spending time with her fiancé, family and friends, as well as travelling, trying new restaurants and foods, cooking nourishing meals, going on runs, skiing, and spending time outside.