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Alyssa Simpson

Alyssa Simpson

Nutrition Resolution GI Dietitians

About

You’ve tried probiotics, eliminated dozens of foods, and sat through appointment after appointment—yet you still don’t feel well. Maybe you’ve been diagnosed with IBS, SIBO, or GERD… or told everything looks “normal” and sent on your way. You’re tired of obsessing over what to eat, chasing internet remedies, and not knowing who to trust. You just want to enjoy meals without pain, know what’s really going on in your body, and get your life back. Our clients are tired of short-term fixes and ready for real answers, deeper healing, and lasting relief.

We’re a team of GI Dietitians who’ve specialized in digestive issues since 2012. We’ve helped thousands of clients finally get answers, calm chronic symptoms, and rebuild a resilient gut using personalized nutrition therapy, advanced testing, and step-by-step support—so they can enjoy a wide variety of foods again.

We know how overwhelming it is when nothing helps and your world starts to shrink around your symptoms. You’re not making it up—and you’re not alone. Healing is possible with the right plan and support. If you're ready for a more personalized, root-cause approach to care, we’d be honored to walk that path with you.

Details

LocationPhoenix, AZ 85004
Phone(480) 845-0501
Experience23+ years (since ~2003)

Additional Credentials

RDNCGNCLT

Specialties & Expertise

Celiac DiseaseChronic FatigueColitisCrohn'sFibromyalgiaFood AllergyFood SensitivityGastrointestinal (GI)OtherGluten FreeHeadaches / MigrainesIrritable Bowel Syndrome (IBS)ArthritisOther

Qualifications

Licenses: Commission on Dietetic RegistrationEducation: Arizona State University

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