Phoenix
Photo of Alyssa Simpson - Nutrition Resolution GI Dietitians, Nutritionist/Dietitian, RDN, CGN, CLT
Nutrition Resolution GI Dietitians
Nutritionist/Dietitian, RDN, CGN, CLT
Email Us
(480) 845-0501 Call Us
(480) 845-0501 Call Us
or
Email Us
Photo of Alyssa Simpson - Nutrition Resolution GI Dietitians, Nutritionist/Dietitian, RDN, CGN, CLT

Nutrition Resolution GI Dietitians

Nutritionist/Dietitian, RDN, CGN, CLT

Verified by HealthProfs.com Verified by HealthProfs.com
3 Endorsed
Phoenix, AZ 85004
Call Us
Available online only
Phoenix, AZ 85004
Website
Let's Connect (480) 845-0501
Photo of Alyssa Simpson - Nutrition Resolution GI Dietitians, Nutritionist/Dietitian, RDN, CGN, CLT
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.
Call or Nutrition Resolution GI Dietitians now for a free 15 minute consultation - (480) 845-0501

Practice at a Glance

Available online only

Phoenix, AZ 85004

(480) 845-0501
Website
We offer virtual sessions with flexible scheduling Monday-Saturday. Start with a free 15-minute consult. Packages tailored to your needs.
I specialize in Gastrointestinal (GI), Food Sensitivity and Irritable Bowel Syndrome (IBS) 
We help people whose labs are "normal" but symptoms persist, finally get answers and lasting relief, without endlessly restricting food.
Nutrition Resolution GI Dietitians
Let's Connect (480) 845-0501
Photo of Alyssa Simpson - Nutrition Resolution GI Dietitians, Nutritionist/Dietitian, RDN, CGN, CLT

Practice at a Glance

Available online only

Phoenix, AZ 85004

(480) 845-0501
Website
We offer virtual sessions with flexible scheduling Monday-Saturday. Start with a free 15-minute consult. Packages tailored to your needs.
I specialize in Gastrointestinal (GI), Food Sensitivity and Irritable Bowel Syndrome (IBS) 
We help people whose labs are "normal" but symptoms persist, finally get answers and lasting relief, without endlessly restricting food.
Nutrition Resolution GI Dietitians

Finances

Payment Methods

American Express, Discover, Health Savings Account, Mastercard, Visa
"
Our services are private pay and eligible for HSA/FSA. While we are not in-network with insurance, we're happy to provide a superbill upon request. We also offer flexible financing options to help spread out payments over time if needed.
Photo of Alyssa Simpson - Nutrition Resolution GI Dietitians, Nutritionist/Dietitian, RDN, CGN, CLT
Nutrition Resolution GI Dietitians
Nutritionist/Dietitian, RDN, CGN, CLT
Call or for a free 15 minute consultation now - (480) 845-0501
"
Our services are private pay and eligible for HSA/FSA. While we are not in-network with insurance, we're happy to provide a superbill upon request. We also offer flexible financing options to help spread out payments over time if needed.
Photo of Alyssa Simpson - Nutrition Resolution GI Dietitians, Nutritionist/Dietitian, RDN, CGN, CLT
Nutrition Resolution GI Dietitians
Nutritionist/Dietitian, RDN, CGN, CLT
Call or for a free 15 minute consultation now - (480) 845-0501

Qualifications

    Nutritionist/Dietitian: Alyssa Simpson

    Education and Years In Practice

  • In Practice for 22 years
  • Arizona State University, B.S. in Dietetics, Graduated 2003

    • Additional Credentials

  • Certificate from Commission on Dietetic Registration 930584 / 2012
"
I'm a Registered Dietitian with >20 years of experience, over a decade specializing in GI health. I'm also a Certified Gastrointestinal Nutritionist with advanced training in integrative and functional nutrition. Our entire team shares this GI focus and functional expertise.
Photo of Alyssa Simpson - Nutrition Resolution GI Dietitians, Nutritionist/Dietitian, RDN, CGN, CLT
Nutrition Resolution GI Dietitians
Nutritionist/Dietitian, RDN, CGN, CLT
Call or for a free 15 minute consultation now - (480) 845-0501
"
I'm a Registered Dietitian with >20 years of experience, over a decade specializing in GI health. I'm also a Certified Gastrointestinal Nutritionist with advanced training in integrative and functional nutrition. Our entire team shares this GI focus and functional expertise.
Photo of Alyssa Simpson - Nutrition Resolution GI Dietitians, Nutritionist/Dietitian, RDN, CGN, CLT
Nutrition Resolution GI Dietitians
Nutritionist/Dietitian, RDN, CGN, CLT
Call or for a free 15 minute consultation now - (480) 845-0501

Specialties and Expertise

Top Specialties

  • Gastrointestinal (GI)
  • Food Sensitivity
  • Irritable Bowel Syndrome (IBS)
  • Headaches / Migraines

Expertise

  • Celiac Disease
  • Chronic Fatigue
  • Colitis
  • Crohn's
  • Fibromyalgia
  • Food Allergy
  • Gastroparesis
  • Gluten Free
  • Rheumatoid Arthritis
  • SIBO (Small Intestinal Bacterial Overgrowth)
"
We specialize in digestive issues like IBS, SIBO, bloating, reflux, diarrhea, constipation, & food sensitivities. In our sessions, we'll review your symptoms, history, lifestyle, and diet to uncover what's driving them. Then we'll create a personalized plan with meal planning, supplements, and gut-brain strategies. Our goal is lasting relief and a more confident, enjoyable relationship with food.
Photo of Alyssa Simpson - Nutrition Resolution GI Dietitians, Nutritionist/Dietitian, RDN, CGN, CLT
Nutrition Resolution GI Dietitians
Nutritionist/Dietitian, RDN, CGN, CLT
Call or for a free 15 minute consultation now - (480) 845-0501
"
We specialize in digestive issues like IBS, SIBO, bloating, reflux, diarrhea, constipation, & food sensitivities. In our sessions, we'll review your symptoms, history, lifestyle, and diet to uncover what's driving them. Then we'll create a personalized plan with meal planning, supplements, and gut-brain strategies. Our goal is lasting relief and a more confident, enjoyable relationship with food.
Photo of Alyssa Simpson - Nutrition Resolution GI Dietitians, Nutritionist/Dietitian, RDN, CGN, CLT
Nutrition Resolution GI Dietitians
Nutritionist/Dietitian, RDN, CGN, CLT
Call or for a free 15 minute consultation now - (480) 845-0501

Client Focus

Age

Elders (65+) , 
Adults

Age

Elders (65+) , 
Adults

Treatment Approach

Style/Type

  • Functional Medicine Nutritionist
  • Integrative Nutritionist
  • Medical Nutrition Therapy (MNT)
  • Registered Dietitian
  • Registered Dietitian Nutritionist

Treatment Techniques

  • Certified LEAP Therapist
  • Diet Therapy
  • Low FODMAP
  • Meal Plan
  • Mindful Eating
  • Non-Diet Approach
  • Nutrition Coaching
  • Nutrition Counseling
  • Nutrition Therapy
  • Testing - SIBO, MRT/LEAP, Nutrient Deficiencies
"
We take a root-cause, food-first approach using personalized nutrition strategies, advanced testing when appropriate, and gut-brain support. You'll be paired with your own GI-specialized dietitian who will create a clear step-by-step plan that may include meal planning, supplement guidance, and lifestyle interventions, plus email support between sessions.
Photo of Alyssa Simpson - Nutrition Resolution GI Dietitians, Nutritionist/Dietitian, RDN, CGN, CLT
Nutrition Resolution GI Dietitians
Nutritionist/Dietitian, RDN, CGN, CLT
Call or for a free 15 minute consultation now - (480) 845-0501
"
We take a root-cause, food-first approach using personalized nutrition strategies, advanced testing when appropriate, and gut-brain support. You'll be paired with your own GI-specialized dietitian who will create a clear step-by-step plan that may include meal planning, supplement guidance, and lifestyle interventions, plus email support between sessions.
Photo of Alyssa Simpson - Nutrition Resolution GI Dietitians, Nutritionist/Dietitian, RDN, CGN, CLT
Nutrition Resolution GI Dietitians
Nutritionist/Dietitian, RDN, CGN, CLT
Call or for a free 15 minute consultation now - (480) 845-0501

Location

Primary Location

Phoenix, AZ 85004

(480) 845-0501

Email Us

Website

Nearby Areas

Cities

Counties

Zips

"
We offer virtual sessions with flexible scheduling Monday-Saturday. Start with a free 15-minute consult. Packages tailored to your needs.
Photo of Alyssa Simpson - Nutrition Resolution GI Dietitians, Nutritionist/Dietitian, RDN, CGN, CLT
Nutrition Resolution GI Dietitians
Nutritionist/Dietitian, RDN, CGN, CLT
Call for a free consultation now - (480) 845-0501
"
We offer virtual sessions with flexible scheduling Monday-Saturday. Start with a free 15-minute consult. Packages tailored to your needs.
Photo of Alyssa Simpson - Nutrition Resolution GI Dietitians, Nutritionist/Dietitian, RDN, CGN, CLT
Nutrition Resolution GI Dietitians
Nutritionist/Dietitian, RDN, CGN, CLT
Call for a free consultation now - (480) 845-0501