Gastrointestinal Health Made Simple

Evidence-based nutrition and lifestyle medicine strategies to help you achieve your best gut health.

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Helping you achieve your best gut health.


Well Sunday is your one-stop shop for all things gut health, nutrition, and lifestyle medicine. Our resources are created by gut health experts and backed by the latest research. 


There’s no fluff here - just evidence-based, actionable tips that you can implement today to cultivate your wellness. Well Sunday is a partner in your health and will meet you wherever you are in your journey to support you to achieve your best gut health.


Well Sunday offers multiple levels of support for people who want to improve their gut health. From our Well Sunday Community to self-guided gut health courses to our workshops and resources, there’s an option for everyone.


Explore Gut Health Courses
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IBS Masterclass


A Practical Approach to Managing Irritable Bowel Syndrome through Nutrition and Lifestyle Medicine

Now Open for Registration


Our Purpose


We are your home for all things gut health, nutrition, and lifestyle. Founded by Sarah Robbins, MD, and backed by over 20 years of clinical experience, Well Sunday is committed to helping you cultivate your wellness and promote vibrant health.


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People Living Well

"Dr. Robbins was an amazing source of practical information much of it will be tried or followed indefinitely by me to support my IBS.  Thank you."

"This is such a valuable resource. Thank you Dr Robbins!"

"This was super helpful. I would recommend it to anyone having IBS symptoms."

"Dr. Robbins helped get the "old me" back this year."

"Thank you for helping me get well again! You are the BEST!" 

"I have learned so much. Mainly it has anchored and validated what I already knew with new twists and turns. All of your information set the stage and background so that I could embrace a different diet with little questioning. Thank you for your professional and expert  training. Hope to see you again on other courses."

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Are you ready for ongoing guidance and resources to support your health journey? We’re thrilled to introduce our weekly newsletter to provide evidence-based gut health information and updates about our latest programs.

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