Irritable Bowel Syndrome (IBS) Nutritionists and Dietitians in Oklahoma City, OK

Photo of Rachel Donnellan, Nutritionist/Dietitian, RDN
Rachel Donnellan
Nutritionist/Dietitian, RDN
Online Only
My ideal clients are individuals seeking a sustainable, whole-health approach to nutrition that supports strength, mobility, and overall wellness. They often feel frustrated by restrictive diets or advice that doesn’t fit their lifestyle and want realistic, personalized support. I use a functional nutrition approach rooted in evidence-based care and focused on building lasting habits. Together, we create practical strategies that build on what’s already working, helping clients feel stronger, more confident, and supported in their everyday lives.
My ideal clients are individuals seeking a sustainable, whole-health approach to nutrition that supports strength, mobility, and overall wellness. They often feel frustrated by restrictive diets or advice that doesn’t fit their lifestyle and want realistic, personalized support. I use a functional nutrition approach rooted in evidence-based care and focused on building lasting habits. Together, we create practical strategies that build on what’s already working, helping clients feel stronger, more confident, and supported in their everyday lives.
(872) 253-6146 View (872) 253-6146
Photo of Jessica Vandergriff, Nutritionist/Dietitian, MS, RD, RDN, LD, LDN
Jessica Vandergriff
Nutritionist/Dietitian, MS, RD, RDN, LD, LDN
Serves Area
Jessica’s ideal clients are individuals seeking support with diabetes management, heart health, healthy aging, and overall wellness. Many come to her feeling overwhelmed, stuck, or unsure how to improve their health in a sustainable way. Using an integrative, functional medicine approach, Jessica helps clients understand how food choices affect how they feel, identify possible root causes, and build a realistic plan that supports lasting progress.
Jessica’s ideal clients are individuals seeking support with diabetes management, heart health, healthy aging, and overall wellness. Many come to her feeling overwhelmed, stuck, or unsure how to improve their health in a sustainable way. Using an integrative, functional medicine approach, Jessica helps clients understand how food choices affect how they feel, identify possible root causes, and build a realistic plan that supports lasting progress.
(312) 872-4780 View (312) 872-4780
Photo of Jody Halouska, Nutritionist/Dietitian, RD, LDN, CDCES
Jody Halouska
Nutritionist/Dietitian, RD, LDN, CDCES
Serves Area
Jody is a passionate advocate for health, wellness, and feeling your best. Jody is committed to empowering individuals to make positive and sustainable lifestyle changes. Jody strives to provide personalized guidance to help clients achieve their health goals and create a harmonious relationship with food. Recognizing that each individual's relationship with food is unique, Jody works to create a supportive and non-judgmental environment where clients feel empowered to explore their dietary preferences, navigate challenges and cultivate sustainable habits that align with their goals and values.
Jody is a passionate advocate for health, wellness, and feeling your best. Jody is committed to empowering individuals to make positive and sustainable lifestyle changes. Jody strives to provide personalized guidance to help clients achieve their health goals and create a harmonious relationship with food. Recognizing that each individual's relationship with food is unique, Jody works to create a supportive and non-judgmental environment where clients feel empowered to explore their dietary preferences, navigate challenges and cultivate sustainable habits that align with their goals and values.
(872) 259-7074 View (872) 259-7074