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Greater St. Louis Nutrition
Functional Nutrition
Functional nutrition takes a whole‑person approach—looking beyond isolated symptoms to understand the patterns contributing to your health concerns. My approach blends evidence‑based nutrition guidelines with a holistic perspective, so recommendations are both research‑informed and personalized. This helps support symptom improvement, metabolic health, and long‑term wellness in a thoughtful, sustainable way.
A functional nutrition consultation may explore:
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patterns behind ongoing symptoms
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digestive health and inflammation
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energy, mood, and metabolic function
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long‑term wellness and prevention
Accepting Most Major Insurances
*Medicare and Medicaid are not accepted at this time.
Diabetes Care
Comprehensive Education:
Understand your diagnosis and medications
Personalized Nutrition:
Learn how food, stress, and sleep affect blood sugars
Data-Driven Support:
Use labs and glucose patterns to guide sustainable changes
Weight Management
Lifestyle Centered Approach:
Explore habits that influence weight
Tailored Nutrition Plans:
Build a flexible, realistic eating plan
Ongoing Accountability:
Adjust your plan, troubleshoot barriers, and celebrate progress
Digestive Disorders
Symptom Assessment:
Identify triggers and patterns
Condition-Specific Guidance:
Evidence-based support for IBS, celiac, Crohn's
Supportive Strategies:
Improve tolerance and gut health
Heart Health
Cholesterol & Blood Pressure:
Review labs and nutrition strategies to improve cardiometabolic markers
Inflammation Support:
Build a heart healthy, anti-inflammatory eating pattern
Lifestyle Medicine:
Assess nutrition, stress, sleep, and movement
About
Kristy Thomas MA, RDN, LD, CDCES
I’m a registered dietitian nutritionist and certified diabetes care and education specialist with a passion for helping people understand their bodies, their symptoms, and the patterns shaping their health. My approach is grounded in evidence‑based nutrition and guided by a whole‑person perspective — because your health is more than a diagnosis or a set of numbers.
Over the years, I’ve worked with individuals navigating diabetes, digestive disorders, weight concerns, and cardiometabolic conditions. What I’ve learned is that people don’t need perfection — they need clarity, compassion, and a plan that fits real life. My role is to help you make sense of your symptoms, identify what’s getting in the way, and build sustainable habits that support long‑term wellness.
Outside of work, I’m a mom of two boys, a lover of early mornings, and someone who understands firsthand how challenging it can be to prioritize your health while juggling a full life. That’s why my approach is practical, realistic, and always tailored to the person in front of me.
If you’re ready to understand your health more deeply — and build habits that support how you want to feel — I’m here to help you get started.
Greater St. Louis Nutrition is a registered trade name of Kristy Thomas, LLC.
Sydney N.
Kristy has been amazing. I've learned more in the two weeks I've connected with her than any class I could have taken. Can't wait to continue my journey!
Katie H.
Kristy helped me figure out how to change what I’m eating and how I’m eating it so I feel better throughout the day. She’s very supportive!
Jackie B.
Kristy has helped me understand my body and food sensitivities in a way that actually makes sense—and never feels overwhelming. Her support has been a game-changer for my health. So grateful for her!
Tommie H.
Kristy is very knowledgeable and has helped with every aspect in my wellness journey. Looking forward to continue my journey with her guidance and expertise.