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We know how you feel because we've been there.

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We have dealt with our own gut issues, and now we want to help guide you to experience relief.

We've had clients tell us that our guidance has changed their life. That's why we continue to do what we do.

Our goal is to go above and beyond to help you reach your goals. We want to save you time (with our easy to use app!) and provide you with functional nutrition care that you likely have not been receiving in the current medical system. 

Licensed dietitian nutritionists on average, have 7 years of formal schooling in nutrition science (plus all the conferences and continuing education), and our team has education beyond this in functional nutrition, with experience guiding clients to improve a wide range of health issues, including IBS, Crohn's, UC, SIBO, food sensitivities, autoimmune issues, and more.


We are a 100% functional nutrition clinic, committed to providing the best quality holistic nutrition care to help you finally improve and eliminate those gut issues to feel your best! 


We want you to get back to doing what you love, without gut issues getting in your way, whether that means raising a child, playing with your grandchildren, going on that hiking trip with your friends, having more flexibility in job options, getting to travel on a whim, and more! By working with us, we promise to do what we can to help you feel your best.

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Gut Health Licensed Nutritionist & Client Manager


Marcie graduated with her Master's Degree in Human Nutrition, completed her undergraduate degree in community health and athletic training, and has been working in the Functional Medicine world for over a decade. She is also the Vice-Chair of the Minnesota Board of Dietetics and Nutrition.

After a 10-year struggle with anorexia, lifelong chronic and complex digestive issues, infertility, and the birth of her twins, Marcie realized that throughout her experiences, nutrition was her saving grace, and she knew she needed to share what she whole-heartedly believed in to help change the lives of others.

Over the course of her career, Marcie has worked with a variety of clients, and her clinical experience spans a myriad of conditions and diseases. Her passion lies in gut health, disordered eating, thyroid health, and female hormones. 

Marcie is a firm believer in educating her clients to make dietary changes that can help them lead the life they desire. She has learned through her own journey, that nutrition has the power to heal, and she uses her own experiences and deep understanding of nutrition to empower her clients to walk their own journey of making changes that are sustainable and maintainable.


Every step, big or small, makes a difference.

Outside of helping to guide her clients back to health, Marcie enjoys watching her twins compete in sports, being creative in the kitchen, and decorating her home. She also loves running, weightlifting, and spending days at the lake or winter evenings all snuggled in with her favorite people.

5 Questions With Our
Gut Health Licensed Nutritionist Marcie Vaske

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Gut Health Dietitian Nutritionist & Founder


Ashley graduated from her dietetic internship at Boston Harvard's Brigham and Women's Hospital, and pursued continuing education in functional medicine from the Integrative And Functional Nutrition Academy.

In 2016, after working as a dietitian in a variety of settings from Intensive Care Units, to specializing in IV nutrition in California, and eventually landing at a MD-ran private practice in California, a personal change pushed her to move back to Minnesota, where she decided to start Oswald Digestive Clinic. 

She had a unique vision for the clinic, though. She wanted to fill the gaps in the healthcare system... and do it better. At the start, Ashley saw her clients via home visit. Eventually, she got too busy to be making the trips, so she transitioned to telemedicine, at a time before telemedicine was popular. Then, she decided to purchase an electronic health record system that provided an easy app for clients to use. No more having to tediously track meals eaten, because now her clients could simply take a photo using the app!

Fast forward to today, and we now take insurance (due to COVID, insurances started to cover telemedicine!), meaning our clinic is more accessible, allowing our team to grow and help more people improve their gut health using a root cause approach! We are so grateful for all of our clients who choose our clinic to work with, and all of you who refer to us.

Outside of the clinic, Ashley can often be found in nature, traveling or exploring her surroundings, studying a variety of topics, and spending time with the people she meets along the way.

Ashley is not taking new clients at this time.

5 Questions With Our
Founder & Gut Health Dietitian Ashley Oswald

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Gut Health Dietitian Nutritionist


Katie received her Master's Degree in Human Nutrition from Eastern Michigan University, her Undergraduate Degree in Food Science and Human Nutrition from the University of Maine, and completed her dietetic internship with 1,200 hours of supervised practice in Tennessee. Since then, she has gone on to complete a certification in Functional Nutrition from the Functional Nutrition Alliance, which included an in depth study of the digestive, immune, urinary, cardiovascular, endocrine, nervous, and reproductive systems, all through a functional and holistic medicine lens, with many hours of case study practice.

Katie has been a dietitian now for almost a decade, and during much of this time, she worked as an inpatient hospital and outpatient clinic dietitian, helping a variety of clients to feel better and achieve their goals.

Through her own struggle with chronic fatigue, iron deficiency, mold toxicity, and recurrent mono - which conventional medicine did not have the tools to help her with - Katie came to realize that she wanted to work in a setting that allowed her more flexibility to help clients fully, in the ways she has seen to be effective: by using a holistic / functional / root-cause medical nutrition therapy approach.

So, she left the hospital setting to have her twin babies. During this time, she helped family and friends with their health, and ended up using her knowledge to help her own babies, too, after her infant son started to struggle with severe eczema, food allergies, poor gut health, and sleep disturbances. 

Now that her babies are no longer infants, she is ready to start seeing clients again, and we are so thrilled to have her on board with our clinic. Katie is excited about empowering and supporting her clients to realize how powerful functional nutrition can be, to support their body's own innate ability to heal when given the right tools and support.

Outside of the clinic, Katie loves to cook and bake, to learn and discover new things, to travel and experience new places, and, especially now, loves to spend time at home with her husband and young twins.

5 Questions With Our
Gut Health Dietitian Nutritionist Katie Bailey

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