Gastrointestinal (GI) Nutritionists and Dietitians in Fairfield, CA

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More Dietitians and Nutritionists Nearby

Photo of Sarah Reilly, Nutritionist/Dietitian, CNC, CNBP, AFMHCp
Sarah Reilly
Nutritionist/Dietitian, CNC, CNBP, AFMHCp
Walnut Creek, CA 94595
I will help you get to the root cause of your annoying symptoms so you can FINALLY lose weight, have more energy and less pain & digestive issues.
I am a Functional Medicine Nutritionist & Burnout Recovery Specialist. I combine Holistic Clinical Nutrition & Functional Medicine principles to provide a comprehensive and personalized process to achieve your goals. In clinical practice for 16 years, I continue studies in these powerful disciplines to stay on the forefront of cutting edge applications.
I will help you get to the root cause of your annoying symptoms so you can FINALLY lose weight, have more energy and less pain & digestive issues.
I am a Functional Medicine Nutritionist & Burnout Recovery Specialist. I combine Holistic Clinical Nutrition & Functional Medicine principles to provide a comprehensive and personalized process to achieve your goals. In clinical practice for 16 years, I continue studies in these powerful disciplines to stay on the forefront of cutting edge applications.
(925) 886-3630 View (925) 886-3630
Photo of Cambiati Wellness - Cambiati Wellness, Nutritionist/Dietitian, RD, CN
Cambiati Wellness
Nutritionist/Dietitian, RD, CN
Lafayette, CA 94549
•Struggling with digestive issues
Whether you are struggling with a complex health issue or you just need to finally lose the weight you are in the right place. We can provide testing like gut microbiome, micronutrient, full thyroid panels, hormones, genetic, and more. It all starts with a no-cost Breakthrough Session. Go here: https://rebeccaw.as.me/healthprofs
•Struggling with digestive issues
Whether you are struggling with a complex health issue or you just need to finally lose the weight you are in the right place. We can provide testing like gut microbiome, micronutrient, full thyroid panels, hormones, genetic, and more. It all starts with a no-cost Breakthrough Session. Go here: https://rebeccaw.as.me/healthprofs
(925) 310-6494 View (925) 310-6494
Photo of Katherine Dittmann, Nutritionist/Dietitian, MA, MS, RD
Katherine Dittmann
Nutritionist/Dietitian, MA, MS, RD
Serves Area
You may feel stuck in cycles of dieting, food rules, or disordered eating that leave you anxious, overwhelmed, or disconnected from your body. You’re tired of obsessing about what, when, or how much to eat, yet still feel bad no matter what you choose. Perhaps body image concerns, shame, or self-criticism make it hard to enjoy eating or to care for yourself. You want relief from confusion and stress around food and a way to nourish yourself without guilt. My clients are often searching for more freedom, ease, and trust with food—and a kinder, more sustainable relationship with themselves.
You may feel stuck in cycles of dieting, food rules, or disordered eating that leave you anxious, overwhelmed, or disconnected from your body. You’re tired of obsessing about what, when, or how much to eat, yet still feel bad no matter what you choose. Perhaps body image concerns, shame, or self-criticism make it hard to enjoy eating or to care for yourself. You want relief from confusion and stress around food and a way to nourish yourself without guilt. My clients are often searching for more freedom, ease, and trust with food—and a kinder, more sustainable relationship with themselves.
(415) 965-2840 View (415) 965-2840
Photo of Melissa Goode, Nutritionist/Dietitian, MPH, RDN
Melissa Goode
Nutritionist/Dietitian, MPH, RDN
Serves Area
Are you exhausted from thinking about food and your body all of the time? Today’s world is filled with messages telling us to shrink our bodies, try the latest diet, and fit into an "ideal" weight category. If you're tired of keeping up with the latest food trends, Googling nutrition advice, and trying everything under the sun to achieve "perfect" health, you've come to the right place! Goode Nutrition is for fellow humans wanting to build a healthier relationship with food and their body, navigate chronic conditions by partnering with their body vs against it, and unlearn the ways diet culture has taken up precious brain space.
Are you exhausted from thinking about food and your body all of the time? Today’s world is filled with messages telling us to shrink our bodies, try the latest diet, and fit into an "ideal" weight category. If you're tired of keeping up with the latest food trends, Googling nutrition advice, and trying everything under the sun to achieve "perfect" health, you've come to the right place! Goode Nutrition is for fellow humans wanting to build a healthier relationship with food and their body, navigate chronic conditions by partnering with their body vs against it, and unlearn the ways diet culture has taken up precious brain space.
(916) 306-7979 View (916) 306-7979
Photo of Christy Walowit, Nutritionist/Dietitian, MS, RDN, CDCES
Christy Walowit
Nutritionist/Dietitian, MS, RDN, CDCES
Serves Area
Learn to work WITH your body, not against it! Believe it or not, you and your body are on the same team. If you're experiencing health anxiety, navigating a challenging diagnosis, or just confused about what to eat, I'm glad you're here! As your Registered Dietitian and Diabetes Specialist, I like to imagine myself as your guide to filter through all the "diet noise," medical jargon, and confusing food narratives so you can feel grounded and clear about what your body needs.
Learn to work WITH your body, not against it! Believe it or not, you and your body are on the same team. If you're experiencing health anxiety, navigating a challenging diagnosis, or just confused about what to eat, I'm glad you're here! As your Registered Dietitian and Diabetes Specialist, I like to imagine myself as your guide to filter through all the "diet noise," medical jargon, and confusing food narratives so you can feel grounded and clear about what your body needs.
(916) 775-8179 View (916) 775-8179
Photo of Ally Green, Nutritionist/Dietitian, MS, MPH, RD
Ally Green
Nutritionist/Dietitian, MS, MPH, RD
Pleasant Hill, CA 94523
I specialize in helping people improve their relationship with food, heal from disordered eating, and address digestive health concerns.
I offer virtual 1:1 sessions—60 minutes for initial appointments and 45 minutes for follow-ups.
I specialize in helping people improve their relationship with food, heal from disordered eating, and address digestive health concerns.
I offer virtual 1:1 sessions—60 minutes for initial appointments and 45 minutes for follow-ups.
(925) 291-9338 View (925) 291-9338
Photo of Brenna O'Malley, Nutritionist/Dietitian, RD
Brenna O'Malley
Nutritionist/Dietitian, RD
Online Only
Waitlist for new clients
Hi, I'm Brenna! I work with adolescents, teens and adults who are struggling with disordered eating, recovery from chronic dieting, binge-restrict cycles, body image concerns and wanting to be able to pursue health without obsession. It's common to be interested in or passionate about food, health, wellness exercise - but when those interests become inflexible, or don't allow for you to spend time and feel present doing other things that are important to you, it can be a sign to reach out.
Hi, I'm Brenna! I work with adolescents, teens and adults who are struggling with disordered eating, recovery from chronic dieting, binge-restrict cycles, body image concerns and wanting to be able to pursue health without obsession. It's common to be interested in or passionate about food, health, wellness exercise - but when those interests become inflexible, or don't allow for you to spend time and feel present doing other things that are important to you, it can be a sign to reach out.
(415) 798-9738 View (415) 798-9738
Photo of Toni Kohn, Nutritionist/Dietitian, MS, RD
Toni Kohn
Nutritionist/Dietitian, MS, RD
Richmond, CA 94804
I have specialized in Eating Disorders for 30 years. I am passionate about helping people get rid of the guilt and shame that has people stuck in unhealthy patterns, and replacing those voices with a balanced and stress free relationship with both food and body issues. It is possible to completely heal ones relationship with food! We can do it, together. You deserve your life back!
I have specialized in Eating Disorders for 30 years. I am passionate about helping people get rid of the guilt and shame that has people stuck in unhealthy patterns, and replacing those voices with a balanced and stress free relationship with both food and body issues. It is possible to completely heal ones relationship with food! We can do it, together. You deserve your life back!
(424) 370-0631 View (424) 370-0631
Photo of Janet Laudy - Janet Laudy Nutrition Consulting, Nutritionist/Dietitian, MS
Janet Laudy Nutrition Consulting
Nutritionist/Dietitian, MS
Orinda, CA 94563
I work with a wide range of clients and issues, but my primary niche is in mental health nutrition. I love to work with clients facing the challenges of recovering from alcohol use disorder who want to use nutrition to heal their body and mind. I also focus on nutritional approaches to ADHD, depression, and anxiety.
I work with a wide range of clients and issues, but my primary niche is in mental health nutrition. I love to work with clients facing the challenges of recovering from alcohol use disorder who want to use nutrition to heal their body and mind. I also focus on nutritional approaches to ADHD, depression, and anxiety.
(925) 281-1815 View (925) 281-1815

Online Dietitians and Nutritionists

Photo of Mehek Hasija - Mehek Hasija, Nutritionist/Dietitian, NTP
Mehek Hasija
Nutritionist/Dietitian, NTP
Online Only
Whether you’re dealing with Diabetes, Gut Issues, Hormonal imbalances, Autoimmune conditions, Chronic fatigue, PCOS, Endometriosis or Weight Gain , I’m here to support you on your journey to better health.
I focus on identifying the root causes and addressing them through nutrition, targeted supplements and lifestyle changes. With personalized nutrition plans and practical lifestyle adjustments, I help you take control of your well-being and address the underlying causes of your health challenges.
Whether you’re dealing with Diabetes, Gut Issues, Hormonal imbalances, Autoimmune conditions, Chronic fatigue, PCOS, Endometriosis or Weight Gain , I’m here to support you on your journey to better health.
I focus on identifying the root causes and addressing them through nutrition, targeted supplements and lifestyle changes. With personalized nutrition plans and practical lifestyle adjustments, I help you take control of your well-being and address the underlying causes of your health challenges.
(408) 549-8140 View (408) 549-8140
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 Naia Riley, Nutritionist/Dietitian, RDN, BS
Naia Riley
Nutritionist/Dietitian, RDN, BS
1 Endorsed
Oakland, CA 94611
I specialize in trauma-informed care for eating disorders, feeding disorders (ARFID, Rumination Syndrome), digestive issues, and navigating allergens.
Accepting New Clients! Tired of feeling like food is the enemy or your body is a problem to fix? If you're exhausted from second-guessing every bite, overwhelmed by food decisions, or disconnected from your body’s cues, you're not alone — and you don’t have to heal alone either. Many of my clients come to me feeling like they’ve tried everything and still feel stuck. I’m here to offer a new way forward: one rooted in safety, compassion, creativity, and who You are as a whole person.
I specialize in trauma-informed care for eating disorders, feeding disorders (ARFID, Rumination Syndrome), digestive issues, and navigating allergens.
Accepting New Clients! Tired of feeling like food is the enemy or your body is a problem to fix? If you're exhausted from second-guessing every bite, overwhelmed by food decisions, or disconnected from your body’s cues, you're not alone — and you don’t have to heal alone either. Many of my clients come to me feeling like they’ve tried everything and still feel stuck. I’m here to offer a new way forward: one rooted in safety, compassion, creativity, and who You are as a whole person.
(510) 201-5672 View (510) 201-5672
Photo of Lisa Cross - Cross into Wellness, Nutritionist/Dietitian, MS, CN, FNTP
Cross into Wellness
Nutritionist/Dietitian, MS, CN, FNTP
Los Gatos, CA 95032
Waitlist for new clients
I use highly personalized strategies which may include functional testing, blood sugar tracking, and targeted diet & lifestyle shifts to support women with metabolic health, gut health challenges, hormonal changes, and autoimmunity to help them feel their best.
If you feel dismissed, overwhelmed, or unsure what to do next—I can help you. I’ve been there too. I take a personalized, root-cause approach to help you connect the dots and make practical, lasting changes. If you're ready to feel more like yourself again, I'd love to support you every step of the way.
I use highly personalized strategies which may include functional testing, blood sugar tracking, and targeted diet & lifestyle shifts to support women with metabolic health, gut health challenges, hormonal changes, and autoimmunity to help them feel their best.
If you feel dismissed, overwhelmed, or unsure what to do next—I can help you. I’ve been there too. I take a personalized, root-cause approach to help you connect the dots and make practical, lasting changes. If you're ready to feel more like yourself again, I'd love to support you every step of the way.
(669) 341-6261 View (669) 341-6261
Photo of Kerri Mulligan - Kerri Mulligan, RD, Nutritionist/Dietitian, RD
Kerri Mulligan, RD
Nutritionist/Dietitian, RD
Online Only
Emotional eating is a condition that is widely misunderstood. All too often, it is assumed that emotional eaters have no willpower over food or lack the motivation for change. Feelings of guilt, shame, and even loneliness can create a perpetual cycle of dieting and deprivation followed by uncontrolled eating. If this feels familiar to you, I want you to know that you are not alone. I can help you understand this cycle to develop a better relationship with food. I provide education to clear up conflicting nutrition facts, challenge diet myths, and work with you to discover a pattern of eating that supports your health.
Emotional eating is a condition that is widely misunderstood. All too often, it is assumed that emotional eaters have no willpower over food or lack the motivation for change. Feelings of guilt, shame, and even loneliness can create a perpetual cycle of dieting and deprivation followed by uncontrolled eating. If this feels familiar to you, I want you to know that you are not alone. I can help you understand this cycle to develop a better relationship with food. I provide education to clear up conflicting nutrition facts, challenge diet myths, and work with you to discover a pattern of eating that supports your health.
(210) 941-2940 View (210) 941-2940
Photo of Annie Rubin, Nutritionist/Dietitian, MS, RDN, IFNCP, CLT
Annie Rubin
Nutritionist/Dietitian, MS, RDN, IFNCP, CLT
Online Only
Do you experience pain, fatigue or digestive challenges?
In my work with clients struggling with autoimmune or inflammatory disorders, I help them implement a personalized nutrition roadmap designed to improve mobility, concentration and energy levels to ultimately live a vibrant and fulfilling life.
Do you experience pain, fatigue or digestive challenges?
In my work with clients struggling with autoimmune or inflammatory disorders, I help them implement a personalized nutrition roadmap designed to improve mobility, concentration and energy levels to ultimately live a vibrant and fulfilling life.
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Photo of Terri Oberto, Nutritionist/Dietitian, CNC, CPT, PHT, BS
Terri Oberto
Nutritionist/Dietitian, CNC, CPT, PHT, BS
Santa Cruz, CA 95060
For 19 years , I have seen clients with a variety of issues- allergies, auto-immune, diabetes, blood sugar imbalances, arthritis, viruses, parasites, candidiasis, Lyme disease, endocrine imbalances, weight management, digestive problems, obsessive compulsive disorder, cardiovascular, hormone replacement, ADHD , anti-aging, mind-body connection work and cancer.
Our office provides extensive evaluation of questionnaires, diet analysis, urine and blood analysis from state of the art labs, in-office and home testing, Kinesiology and Sclerology. This evaluation generates a detailed protocol which is discussed in a lengthy consultation with you. We also offer several modalities which may help with issues you would like to address. These include Biofeedback, Rife, Galvanic Spa and infra red laser technologies, as well as aromatherapy, infra red sauna, cellular detox foot bath, and alkalizing therapies.
For 19 years , I have seen clients with a variety of issues- allergies, auto-immune, diabetes, blood sugar imbalances, arthritis, viruses, parasites, candidiasis, Lyme disease, endocrine imbalances, weight management, digestive problems, obsessive compulsive disorder, cardiovascular, hormone replacement, ADHD , anti-aging, mind-body connection work and cancer.
Our office provides extensive evaluation of questionnaires, diet analysis, urine and blood analysis from state of the art labs, in-office and home testing, Kinesiology and Sclerology. This evaluation generates a detailed protocol which is discussed in a lengthy consultation with you. We also offer several modalities which may help with issues you would like to address. These include Biofeedback, Rife, Galvanic Spa and infra red laser technologies, as well as aromatherapy, infra red sauna, cellular detox foot bath, and alkalizing therapies.
(831) 400-3405 View (831) 400-3405
Photo of Stephanie Paver, Nutritionist/Dietitian, MS, RD
Stephanie Paver
Nutritionist/Dietitian, MS, RD
1 Endorsed
Online Only
I specialize in functional medicine for women’s health, with a focus on hormones, PCOS, infertility, perimenopause, metabolic health, digestive concerns, & chronic symptoms that may not have been fully explained or resolved through conventional care.
My approach looks beyond isolated symptoms to understand how interconnected systems in the body contribute to imbalance. Using comprehensive testing, nutrition and lifestyle support, and ongoing education and guidance, I develop personalized strategies that help you understand your body and take meaningful, sustainable steps toward improved health.
I specialize in functional medicine for women’s health, with a focus on hormones, PCOS, infertility, perimenopause, metabolic health, digestive concerns, & chronic symptoms that may not have been fully explained or resolved through conventional care.
My approach looks beyond isolated symptoms to understand how interconnected systems in the body contribute to imbalance. Using comprehensive testing, nutrition and lifestyle support, and ongoing education and guidance, I develop personalized strategies that help you understand your body and take meaningful, sustainable steps toward improved health.
(602) 313-1838 View (602) 313-1838
Photo of Saima Chaudhry, Nutritionist/Dietitian, MPH, RDN, CDCES
Saima Chaudhry
Nutritionist/Dietitian, MPH, RDN, CDCES
Online Only
Whether you're navigating diabetes, digestive issues, or other conditions, I offer expert guidance, practical tools, and compassionate coaching to help you take charge of your health.
I specialize in pre-diabetes, gestational diabetes, diabetes type 2, weight management, PCOS, cholesterol, high blood pressure, gut health, bariatric surgery, pregnancy/lactation and South Asian health.
Whether you're navigating diabetes, digestive issues, or other conditions, I offer expert guidance, practical tools, and compassionate coaching to help you take charge of your health.
I specialize in pre-diabetes, gestational diabetes, diabetes type 2, weight management, PCOS, cholesterol, high blood pressure, gut health, bariatric surgery, pregnancy/lactation and South Asian health.
(240) 776-7682 View (240) 776-7682
Photo of Stephanie Brooks - Bay Area Nutrition, Nutritionist/Dietitian, RDN
Bay Area Nutrition
Nutritionist/Dietitian, RDN
Campbell, CA 95008
If you or a family member is struggling with food/nutrition, frustrated with random nutrition information out there or has a nutrition related problem or diagnosis, the RDs and Nutrition Support Mentors at Bay Area Nutrition are available to help. We are dedicated to treating you, the whole person, via education, support, and devising a plan with you and for you. Our team will collaborate with other care providers on your team as needed so you can optimize your health and well-being.
If you or a family member is struggling with food/nutrition, frustrated with random nutrition information out there or has a nutrition related problem or diagnosis, the RDs and Nutrition Support Mentors at Bay Area Nutrition are available to help. We are dedicated to treating you, the whole person, via education, support, and devising a plan with you and for you. Our team will collaborate with other care providers on your team as needed so you can optimize your health and well-being.
(408) 956-6783 View (408) 956-6783
Photo of Amanda Wikan, Nutritionist/Dietitian, MS, RDN
Amanda Wikan
Nutritionist/Dietitian, MS, RDN
Petaluma, CA 94954
I specialize in Irritable Bowel Syndrome and complex gut issues that haven't responded to standard approaches.
My clients typically come to me with some combination of bloating, cramping, urgency, constipation, or diarrhea that hasn't resolved despite consistent effort, and confusion or fear around food after years of conflicting advice. Often, they've seen gastroenterologists and multiple providers without getting a clear answer.
I specialize in Irritable Bowel Syndrome and complex gut issues that haven't responded to standard approaches.
My clients typically come to me with some combination of bloating, cramping, urgency, constipation, or diarrhea that hasn't resolved despite consistent effort, and confusion or fear around food after years of conflicting advice. Often, they've seen gastroenterologists and multiple providers without getting a clear answer.
(707) 868-5718 View (707) 868-5718
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.