Gastrointestinal (GI) Nutritionists and Dietitians in Costa Mesa, CA

Photo of Tanya Mezher, Nutritionist/Dietitian, MS, RD, CDN
Tanya Mezher
Nutritionist/Dietitian, MS, RD, CDN
Online Only
I work with busy professionals battling digestive concerns, weight gain, fatigue, and blood sugar swings from hectic schedules.
I am an integrative and functional dietitian which means food/nutrition is medicine and integral to your well being but not the only focus. I seek to understand you as a whole person which includes your personal & family history, preferences, sleep patterns, stress, lifestyle, lab data, etc. to create realistic habits that fit your life.
I work with busy professionals battling digestive concerns, weight gain, fatigue, and blood sugar swings from hectic schedules.
I am an integrative and functional dietitian which means food/nutrition is medicine and integral to your well being but not the only focus. I seek to understand you as a whole person which includes your personal & family history, preferences, sleep patterns, stress, lifestyle, lab data, etc. to create realistic habits that fit your life.
(949) 628-1454 View (949) 628-1454
Photo of April L. Murray, Nutritionist/Dietitian, RD, CLT
April L. Murray
Nutritionist/Dietitian, RD, CLT
Costa Mesa, CA 92626
We specialize in weight management, eating disorders, digestive issues such as bloating, food sensitivities and other medical conditions such as hypothyroidism, adrenal fatigue and PCOS.
Are you struggling with losing weight, uncomfortable bloating or an unhealthy relationship with food? Do you want to work with someone who understands what you're going through... At OC Nutrition Coaching we truly care about the people we work with, that's why we take a one-on-one approach and focus on lifestyle changes.
We specialize in weight management, eating disorders, digestive issues such as bloating, food sensitivities and other medical conditions such as hypothyroidism, adrenal fatigue and PCOS.
Are you struggling with losing weight, uncomfortable bloating or an unhealthy relationship with food? Do you want to work with someone who understands what you're going through... At OC Nutrition Coaching we truly care about the people we work with, that's why we take a one-on-one approach and focus on lifestyle changes.
(714) 646-6641 View (714) 646-6641
Photo of Dalia S Beydoun, Nutritionist/Dietitian, MS, RD, CNSC
Dalia S Beydoun
Nutritionist/Dietitian, MS, RD, CNSC
Online Only
I am a Registered Dietitian with a Master’s Degree in Nutrition Science. I have nearly ten years of experience working with a variety of individuals with different health issues in various clinical settings. My primary niche is weight management, however I love helping people manage their health issues including diabetes, high blood pressure, high cholesterol, among others. I focus on using an evidence-based, whole foods approach to weight loss and disease management to help adults adopt sustainable lifestyle habits.
I am a Registered Dietitian with a Master’s Degree in Nutrition Science. I have nearly ten years of experience working with a variety of individuals with different health issues in various clinical settings. My primary niche is weight management, however I love helping people manage their health issues including diabetes, high blood pressure, high cholesterol, among others. I focus on using an evidence-based, whole foods approach to weight loss and disease management to help adults adopt sustainable lifestyle habits.
(949) 608-6637 View (949) 608-6637
Photo of Erin M Macdonald, Nutritionist/Dietitian, RDN
Erin M Macdonald
Nutritionist/Dietitian, RDN
Serves Area
Health and wellness is more than just what you eat. As a nutrition, fitness, and wellness coach, we work together to craft a plan that helps you achieve your health and wellness goals. Your plan for successfully acheiving your goals revolves around an individualized nutrition and fitness plan and strategies to make the necessary behavior changes.
Health and wellness is more than just what you eat. As a nutrition, fitness, and wellness coach, we work together to craft a plan that helps you achieve your health and wellness goals. Your plan for successfully acheiving your goals revolves around an individualized nutrition and fitness plan and strategies to make the necessary behavior changes.
(949) 342-5646 View (949) 342-5646
Photo of Janice Dada, Nutritionist/Dietitian, MPH, RDN, CDCES, CEDS
Janice Dada
Nutritionist/Dietitian, MPH, RDN, CDCES, CEDS
Serves Area
I specialize in helping individuals and families optimize their health, well-being, and eating behaviors. I offer personalized nutrition counseling using a non-diet, weight-inclusive framework, which means I don’t focus on body size or prescribe eating rules to follow. Instead, I use a client-centered model of care and serve as a guide on the journey to better health and wellness. My approach incorporates evidence-based nutrition principles along with an understanding of human behavior and psychology. This process looks different for everyone; there is no “one size fits all.”
I specialize in helping individuals and families optimize their health, well-being, and eating behaviors. I offer personalized nutrition counseling using a non-diet, weight-inclusive framework, which means I don’t focus on body size or prescribe eating rules to follow. Instead, I use a client-centered model of care and serve as a guide on the journey to better health and wellness. My approach incorporates evidence-based nutrition principles along with an understanding of human behavior and psychology. This process looks different for everyone; there is no “one size fits all.”
(949) 342-4605 View (949) 342-4605
Photo of Dawn Narvaez, Nutritionist/Dietitian, RDN
Dawn Narvaez
Nutritionist/Dietitian, RDN
Serves Area
I specialize in a whole system approach for the mind and body wellness to meet individual goals, including; overcoming negative body image, conquer disordered eating, eliminating binge eating, overcoming food choice obsessions, stemming late-night cravings, approaching picky eaters, enhancing performance for athletes, managing autoimmune disorders, preventing and managing diabetes and pre-diabetes, weight loss or weight gain, treat and prevent constipation and other GI complaints.
A great relationship is key to your success! A simple, 30-minute discovery phone call will help me understand your goals, and help you decide if my approach to improving habits, health, and wellness is right for you. My purpose is to help you achieve your goals using simple techniques and tools that fit your lifestyle.
I specialize in a whole system approach for the mind and body wellness to meet individual goals, including; overcoming negative body image, conquer disordered eating, eliminating binge eating, overcoming food choice obsessions, stemming late-night cravings, approaching picky eaters, enhancing performance for athletes, managing autoimmune disorders, preventing and managing diabetes and pre-diabetes, weight loss or weight gain, treat and prevent constipation and other GI complaints.
A great relationship is key to your success! A simple, 30-minute discovery phone call will help me understand your goals, and help you decide if my approach to improving habits, health, and wellness is right for you. My purpose is to help you achieve your goals using simple techniques and tools that fit your lifestyle.
(949) 303-7925 View (949) 303-7925

More Dietitians and Nutritionists Nearby

Photo of Erika Jacobson - Erika Jacobson Nutrition & Wellness , Nutritionist/Dietitian, MS, RD
Erika Jacobson Nutrition & Wellness
Nutritionist/Dietitian, MS, RD
1 Endorsed
Online Only
I’m Erika, an integrative and functional dietitian who helps people with digestive issues who are tired of being told “everything is normal” - when you definitely don’t feel normal.
Unlike band-aid treatments or long-term restrictive diets that don’t address the root cause, I use a functional nutrition approach that includes specialized testing, personalized nutrition, sustainable lifestyle strategies. Together, we’ll get to the root of your gut imbalances & craft your personalized plan, so you can nourish and heal your gut‒ for good.
I’m Erika, an integrative and functional dietitian who helps people with digestive issues who are tired of being told “everything is normal” - when you definitely don’t feel normal.
Unlike band-aid treatments or long-term restrictive diets that don’t address the root cause, I use a functional nutrition approach that includes specialized testing, personalized nutrition, sustainable lifestyle strategies. Together, we’ll get to the root of your gut imbalances & craft your personalized plan, so you can nourish and heal your gut‒ for good.
(718) 395-4772 View (718) 395-4772
Photo of Cristal Medina, Nutritionist/Dietitian, MS, RDN, RYT-200
Cristal Medina
Nutritionist/Dietitian, MS, RDN, RYT-200
Redondo Beach, CA 90277
Are you ready to heal your relationship with food, movement, and your body? You don’t have to do it alone! I am a trauma-informed, anti-diet Registered Dietitian Nutritionist and Yoga Teacher. My goal is to help you learn how to make peace with food and relearn trust in your body. My specialized approach will help you reconnect with your body’s inner wisdom, free yourself of shame, and heal what no longer serves you. I can help you break free from dieting with intuitive eating counseling. I offer eating disorder treatment for Anorexia, Bulimia, Binge Eating, & disordered eating. I also offer body-positive yoga.
Are you ready to heal your relationship with food, movement, and your body? You don’t have to do it alone! I am a trauma-informed, anti-diet Registered Dietitian Nutritionist and Yoga Teacher. My goal is to help you learn how to make peace with food and relearn trust in your body. My specialized approach will help you reconnect with your body’s inner wisdom, free yourself of shame, and heal what no longer serves you. I can help you break free from dieting with intuitive eating counseling. I offer eating disorder treatment for Anorexia, Bulimia, Binge Eating, & disordered eating. I also offer body-positive yoga.
(619) 597-1035 View (619) 597-1035
Photo of Yi Min Teo, Nutritionist/Dietitian, MS, RD, CNSC
Yi Min Teo
Nutritionist/Dietitian, MS, RD, CNSC
Online Only
Are you feeling overwhelmed, confused, scared of eating foods due to your digestive disorder diagnosis (Crohn's and Ulcerative Colitis, IBS, gastroparesis, new ileostomy/colostomy, etc)?
The ability to enjoy cultural foods is essential - so is ensuring that your nutritional needs for healing are met. With my clinical experience in treating patients with digestive disorders and nutrition support, I am here to provide evidence-based, culturally sensitive nutrition therapy that is personalized to you.
Are you feeling overwhelmed, confused, scared of eating foods due to your digestive disorder diagnosis (Crohn's and Ulcerative Colitis, IBS, gastroparesis, new ileostomy/colostomy, etc)?
The ability to enjoy cultural foods is essential - so is ensuring that your nutritional needs for healing are met. With my clinical experience in treating patients with digestive disorders and nutrition support, I am here to provide evidence-based, culturally sensitive nutrition therapy that is personalized to you.
(323) 207-0403 View (323) 207-0403
Photo of Aditi Shah, Nutritionist/Dietitian, MPH, RDN
Aditi Shah
Nutritionist/Dietitian, MPH, RDN
Fullerton, CA 92833
Welcome to Nourish By Aditi. I am Aditi and I am thrilled to be a part of your health journey! I focus on integrative nutrition to get to the root cause of illness and disease. I will provide you with the tools needed to restore, rebuild and rejuvenate your health and achieve ultimate wellness. I am truly passionate about helping people and I would love the opportunity to get to know you. My promise is to empower you to successfully achieve your health goals through non-diet, integrative nutrition consulting and lifestyle practices to feel improvement in health, fitness, and mental strength.
Welcome to Nourish By Aditi. I am Aditi and I am thrilled to be a part of your health journey! I focus on integrative nutrition to get to the root cause of illness and disease. I will provide you with the tools needed to restore, rebuild and rejuvenate your health and achieve ultimate wellness. I am truly passionate about helping people and I would love the opportunity to get to know you. My promise is to empower you to successfully achieve your health goals through non-diet, integrative nutrition consulting and lifestyle practices to feel improvement in health, fitness, and mental strength.
(657) 214-4629 View (657) 214-4629
Photo of Kristie Tovar - Kristie Tovar Nutrition & Associates, Nutritionist/Dietitian, MS, RDN, CEDS
Kristie Tovar Nutrition & Associates
Nutritionist/Dietitian, MS, RDN, CEDS
1 Endorsed
Serves Area
At Kristie Tovar Nutrition, our team of dietitians provide compassionate, weight-neutral care for eating disorders, women's health, diabetes, GI disorders and heart conditions.
Together, we’ll create an individualized plan that emphasizes enjoyment and confidence with food—NOT restriction! We're are in-network with Anthem, Blue Shield, Aetna, UHC, and Health Net, making it easier for you to access the care you need.
At Kristie Tovar Nutrition, our team of dietitians provide compassionate, weight-neutral care for eating disorders, women's health, diabetes, GI disorders and heart conditions.
Together, we’ll create an individualized plan that emphasizes enjoyment and confidence with food—NOT restriction! We're are in-network with Anthem, Blue Shield, Aetna, UHC, and Health Net, making it easier for you to access the care you need.
(747) 999-4012 View (747) 999-4012
Photo of Whitney Lau, Nutritionist/Dietitian, RDN
Whitney Lau
Nutritionist/Dietitian, RDN
Online Only
Struggling with digestive issues, period problems, thyroid problems, fertility challenges, or menopause symp?
My approach is rooted in integrative and functional nutrition therapy, designed to heal and support full mind and body wellness. We’ll delve deep, uncovering the underlying factors driving your symptoms through advanced testing, such as comprehensive blood panels, hair tissue mineral analysis, GI-MAP Gut tests, and/ or DUTCH complete hormone testing.
Struggling with digestive issues, period problems, thyroid problems, fertility challenges, or menopause symp?
My approach is rooted in integrative and functional nutrition therapy, designed to heal and support full mind and body wellness. We’ll delve deep, uncovering the underlying factors driving your symptoms through advanced testing, such as comprehensive blood panels, hair tissue mineral analysis, GI-MAP Gut tests, and/ or DUTCH complete hormone testing.
(510) 726-4221 View (510) 726-4221
Photo of Samantha Rose Lorenzo, Nutritionist/Dietitian, MS, RD, LDN
Samantha Rose Lorenzo
Nutritionist/Dietitian, MS, RD, LDN
Online Only
I specialize in obesity/weight reduction, sports nutrition, women's health (Menopause, Perimenopause, PCOS, etc), Thyroid, diabetes, renal, cardiac (hypertension/high cholesterol), and Gut Health/ GI conditions (IBS, Diverticulitis, Celiac, etc.).
My goal is to empower my clients with the tools necessary for achieving lasting success in their pursuit of a healthier life. I accomplish this by incorporating nutrition education, behavioral and lifestyle modifications, and physical activity into my guidance.
I specialize in obesity/weight reduction, sports nutrition, women's health (Menopause, Perimenopause, PCOS, etc), Thyroid, diabetes, renal, cardiac (hypertension/high cholesterol), and Gut Health/ GI conditions (IBS, Diverticulitis, Celiac, etc.).
My goal is to empower my clients with the tools necessary for achieving lasting success in their pursuit of a healthier life. I accomplish this by incorporating nutrition education, behavioral and lifestyle modifications, and physical activity into my guidance.
(717) 897-6711 View (717) 897-6711
Photo of Sangeeta Shrivastava - Dr Sangeeta Nutrition, Nutritionist/Dietitian, PhD, MS, RDN, FAND
Dr Sangeeta Nutrition
Nutritionist/Dietitian, PhD, MS, RDN, FAND
Irvine, CA 92620
Food is joy and has transformative powers. Eating right and enjoying each bite is the key to maintaining health and joy associated with meals! It is doable even if you have medical conditions like metabolic syndrome, type 2 diabetes, chronic kidney diseases, heart diseases, or cancer. I believe that you should never fear any food! I am here to support your health and wellness needs with an individualized and holistic approach by keeping your health, wellness and medical nutrition therapy needs in mind, while assuring that your ethnic food preferences remain intact. Ready to take the first step. Call or email now!
Food is joy and has transformative powers. Eating right and enjoying each bite is the key to maintaining health and joy associated with meals! It is doable even if you have medical conditions like metabolic syndrome, type 2 diabetes, chronic kidney diseases, heart diseases, or cancer. I believe that you should never fear any food! I am here to support your health and wellness needs with an individualized and holistic approach by keeping your health, wellness and medical nutrition therapy needs in mind, while assuring that your ethnic food preferences remain intact. Ready to take the first step. Call or email now!
(818) 714-7830 View (818) 714-7830
Photo of Jodee Morgan, Nutritionist/Dietitian, MS, CCC, SLP, FNTP
Jodee Morgan
Nutritionist/Dietitian, MS, CCC, SLP, FNTP
Serves Area
I take a bioindividual, root cause approach to functional nutrition with a focus on healing from a variety of chronic conditions through targeted nutrition and supplementation. I am passionate about helping people deeply heal to return to their best quality of life.
I take a bioindividual, root cause approach to functional nutrition with a focus on healing from a variety of chronic conditions through targeted nutrition and supplementation. I am passionate about helping people deeply heal to return to their best quality of life.
(469) 306-1356 View (469) 306-1356
Photo of Kelly Jean Dammeyer-Mills, Nutritionist/Dietitian
Kelly Jean Dammeyer-Mills
Nutritionist/Dietitian
Serves Area
I specialize in correcting the root cause behind health conditions, as well as, weight loss, digestive disorders, hormone imbalances, blood sugar stabilization and inflammatory issues.
I will lead you to success by educating you about your body and how to properly manage your nutrition in an easy, straightforward way.
I specialize in correcting the root cause behind health conditions, as well as, weight loss, digestive disorders, hormone imbalances, blood sugar stabilization and inflammatory issues.
I will lead you to success by educating you about your body and how to properly manage your nutrition in an easy, straightforward way.
(760) 389-4325 View (760) 389-4325
Photo of Sarah Marie Jackson, Nutritionist/Dietitian, MS, RDN, CLT
Sarah Marie Jackson
Nutritionist/Dietitian, MS, RDN, CLT
Irvine, CA 92620
I help clients with digestive health issues, food sensitivities, weight management, eating disorders and disordered eating.
I help clients achieve their nutrition related health goals by coupling evidenced based practices with function nutrition therapies. I find the root cause of my clients health concerns then develop a personalized nutrition plan that is easy to follow so goals can be achieved.
I help clients with digestive health issues, food sensitivities, weight management, eating disorders and disordered eating.
I help clients achieve their nutrition related health goals by coupling evidenced based practices with function nutrition therapies. I find the root cause of my clients health concerns then develop a personalized nutrition plan that is easy to follow so goals can be achieved.
(747) 271-2024 View (747) 271-2024
Photo of Tami Broderick, Nutritionist/Dietitian, RD, CLT
Tami Broderick
Nutritionist/Dietitian, RD, CLT
1 Endorsed
Irvine, CA 92614
I understand firsthand the journey of battling autoimmune diseases, gut issues, and thyroid imbalances, as I have navigated similar paths in my own life.
Genetics: I use cutting-edge DNA testing to personalize nutrition plans and optimize health outcomes with customized dietary strategies tailored to each individual's unique needs. Food Sensitivities: I utilize Leap MRT food sensitivity testing that enables the identification of specific food triggers that may be contributing to health issues and inflammation
I understand firsthand the journey of battling autoimmune diseases, gut issues, and thyroid imbalances, as I have navigated similar paths in my own life.
Genetics: I use cutting-edge DNA testing to personalize nutrition plans and optimize health outcomes with customized dietary strategies tailored to each individual's unique needs. Food Sensitivities: I utilize Leap MRT food sensitivity testing that enables the identification of specific food triggers that may be contributing to health issues and inflammation
(949) 281-7497 View (949) 281-7497
Photo of Ana Cristina Lewis - Functional Nutrition by Ana, Nutritionist/Dietitian, MS, RD, LDN, IFMNT
Functional Nutrition by Ana
Nutritionist/Dietitian, MS, RD, LDN, IFMNT
Online Only
I specialize in balancing hormones, fertility, digestive healing, and skin health.
I use a blend of medical nutrition therapy, specialty lab testing, nervous system tools, and individualized supplement protocols to get to the root of your symptoms. We work together for at least 4 months, allowing time for adequate exploration of your health presentation. No quick fixes or crash diets here!
I specialize in balancing hormones, fertility, digestive healing, and skin health.
I use a blend of medical nutrition therapy, specialty lab testing, nervous system tools, and individualized supplement protocols to get to the root of your symptoms. We work together for at least 4 months, allowing time for adequate exploration of your health presentation. No quick fixes or crash diets here!
View
Photo of Chelsea Pambianco, Nutritionist/Dietitian, MS, RDN
Chelsea Pambianco
Nutritionist/Dietitian, MS, RDN
Fullerton, CA 92832
I also specialize in relieving the symptoms associated with GI conditions such as IBS and IBD.
My ideal client is someone who is looking to improve their overall health and well-being with sustainable and realistic changes to their eating patterns. Most of my clients are surprised to discover that the dieting behaviors they have participated in (e.g. restricting calories/macros or avoiding food groups) are actually more harmful to their health than health promoting. I teach my clients how to eat in a way that works best for their individual needs and preferences, remove the guilt associated with eating certain foods, and help them feel confident in their food choices.
I also specialize in relieving the symptoms associated with GI conditions such as IBS and IBD.
My ideal client is someone who is looking to improve their overall health and well-being with sustainable and realistic changes to their eating patterns. Most of my clients are surprised to discover that the dieting behaviors they have participated in (e.g. restricting calories/macros or avoiding food groups) are actually more harmful to their health than health promoting. I teach my clients how to eat in a way that works best for their individual needs and preferences, remove the guilt associated with eating certain foods, and help them feel confident in their food choices.
(657) 224-7687 View (657) 224-7687
Gastrointestinal (GI) Nutritionists and Dietitians
What is gut health?
Gut health refers to the overall functioning and well-being of the gastrointestinal (GI) system. Key to gut health is the gut microbiome, which is the collection of healthy bacteria living in the gut. These bacteria are essential for the digestion and breakdown of food, and their health significantly impacts digestion. Poor gut health can result in symptoms such as bloating, gas, diarrhea, constipation, and general abdominal discomfort, which may indicate imbalances or issues with the gut microbiome.

Can diet help with GI issues?
Diet plays a major role in gut health, and changes in diet can often reduce or eliminate some of the symptoms associated with gastrointestinal (GI) issues. Often, GI distress is due to food intolerances or sensitivities, such as gluten sensitivity or lactose intolerance. In these cases, eliminating the problematic foods from the diet can resolve the issue. GI problems can also stem from a combination of environmental or genetic factors, such as in the case of irritable bowel syndrome (IBS). Disruptions in the gut microbiome, such as those caused by taking antibiotics, can also lead to GI issues. In both scenarios, maintaining a balanced diet as much as possible with foods that support a healthy microbiome—such as fruits, vegetables, whole grains, and probiotic foods—can often significantly reduce symptoms and improve gut health.

What are the best foods for gut health?
Maintaining a balanced microbiome is essential for gut health, and this is best achieved through a varied diet rich in fruits, vegetables, and probiotic foods. Fruits and vegetables provide essential nutrients and fiber, which nourish the beneficial bacteria in the gut. Probiotic foods, which are those that contain live bacteria, are also great for gut health. Consuming probiotic foods and drinks, such as yogurt, kefir, kombucha, and tempeh, can help support the microbiome by contributing to the diversity of bacteria within the gut.

When should I see a dietitian for GI issues?
Many people can benefit from seeing a dietitian for GI issues. In general, most dietitians are knowledgeable about what foods support gut health and may help clients choose foods that support a healthy GI system, such as fruits and vegetables high in fiber or foods high in probiotics. Dietitians may be especially beneficial to clients with known gastrointestinal concerns, such as irritable bowel syndrome (IBS) or gastroesophageal reflux disease (GERD). For clients diagnosed with these or similar conditions, dietitians can help clients identify food triggers and develop a meal plan for the client that minimizes symptoms. Dietitians may also work with clients who are having gastrointestinal distress (such as bloating, gas, constipation, diarrhea, etc.) but are not aware of the cause of their symptoms. In such cases, dietitians may be able to help the client identify the cause of the GI distress and coordinate with other medical professionals to help the client better manage their symptoms.