Kathleen Tabb MS, RDN, LDN, CLT

Registered Dietitian Nutritionist | Gut Health Dietitian & Functional Medicine Nutrition Specialist

Kathleen Tabb is a registered dietitian based in Maryland. She specializes in digestive conditions such as irritable bowel syndrome (IBS) and has extensive training through her master’s degree in integrative and functional nutrition. She is passionate about looking at her clients holistically to illuminate the root cause of their concerns in order to improve health and quality of life.


  • Registered Dietitian Nutritionist
  • Licensed Dietitian Nutrition
  • Master of Science in Human Nutrition and Functional Medicine
  • Certified LEAP Therapist (CLT)


  • Bachelor of Science in Dietetics from the University of Dayton
  • Master of Science in Human Nutrition and Functional Medicine from the University of Western States


  • Master-level dietitian with a focus on gut health and functional medicine.
  • Over 5 years of experience counseling patients with digestive complaints, autoimmune conditions, and general nutrition through a holistic lens.
  • Writes blogs on digestive conditions with a specific focus on IBS.
  • Acts as a member of The AND Practice group—Dietitians in Integrative and Functional Medicine.
  • Completed WebMD interview on Inflammatory Bowel Disease.
  • Completed 1,200 hours of supervised practice to become a Registered Dietitian Nutritionist
  • Foodmarble affiliate
  • FODY Foods affiliate
  • Coauthor of Cooking with Food Sensitivities Survival Guide.

Posts from Kathleen Tabb MS, RDN, LDN, CLT