Gastrointestinal (GI) Nutritionists and Dietitians in California
Do you suffer from poor energy, digestive disturbances (gas, bloating, constipation, diarrhea), blood sugar imbalances, high cholesterol, autoimmunity or other health concerns?
As dietitian specialized in nutrition for gastrointestinal health concerns, I can help solve your unique case through specialized testing, personalized nutrition recommendations and lifestyle management. I'll guide you through my proprietary process to get you feeling well again so you can live life without fear of your symptoms getting in the way.
Do you suffer from poor energy, digestive disturbances (gas, bloating, constipation, diarrhea), blood sugar imbalances, high cholesterol, autoimmunity or other health concerns?
As dietitian specialized in nutrition for gastrointestinal health concerns, I can help solve your unique case through specialized testing, personalized nutrition recommendations and lifestyle management. I'll guide you through my proprietary process to get you feeling well again so you can live life without fear of your symptoms getting in the way.
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.
Marissa specializes in weight management, disordered eating, behavior modification, gut health, anti-inflammatory meal planning, GI disorders, food sensitivities, autoimmune disorders, thyroid disorders, PCOS, type 2 diabetes, prediabetes, hypertension, high cholesterol, kidney disease, liver disease, and malnutrition or unintentional weight loss.
Marissa, a dedicated Registered Dietitian, is passionate about helping others heal their relationship with food. Inspired by her own health journey, she brings empathy, understanding, and practical tools to guide clients in quieting “food noise” and finding sustainable balance. With a whole-person, individualized approach, she simplifies nutrition, making structure and routine attainable. Rejecting diet culture, she empowers clients to nourish their bodies, supporting digestion, metabolism, mental health, skin, and hormones.
Marissa specializes in weight management, disordered eating, behavior modification, gut health, anti-inflammatory meal planning, GI disorders, food sensitivities, autoimmune disorders, thyroid disorders, PCOS, type 2 diabetes, prediabetes, hypertension, high cholesterol, kidney disease, liver disease, and malnutrition or unintentional weight loss.
Marissa, a dedicated Registered Dietitian, is passionate about helping others heal their relationship with food. Inspired by her own health journey, she brings empathy, understanding, and practical tools to guide clients in quieting “food noise” and finding sustainable balance. With a whole-person, individualized approach, she simplifies nutrition, making structure and routine attainable. Rejecting diet culture, she empowers clients to nourish their bodies, supporting digestion, metabolism, mental health, skin, and hormones.
You are tired of dieting and want to feel at peace with food and your body. You may be struggling with digestion issues, fatigue, or anxiety and want lasting change that feels supportive, not restrictive. You want to understand your body, feel nourished, and finally have food feel simple again.
You are tired of dieting and want to feel at peace with food and your body. You may be struggling with digestion issues, fatigue, or anxiety and want lasting change that feels supportive, not restrictive. You want to understand your body, feel nourished, and finally have food feel simple again.
Are you fed-up with the rollercoaster of dieting? Overwhelmed by conflicting diet advice? Are thoughts about food and body claiming too much of your headspace? How would it feel to NOT spend so much time and effort analyzing and second guessing your food choices? You are not alone and you don't have to figure this all out by yourself! Many of us are taught messages about food and health as far back as we can remember, and all of these “rules” can feel overwhelming. I'll help you sort through the noise and find ways to nourish your body in a way that makes sense for you and your goals.
Are you fed-up with the rollercoaster of dieting? Overwhelmed by conflicting diet advice? Are thoughts about food and body claiming too much of your headspace? How would it feel to NOT spend so much time and effort analyzing and second guessing your food choices? You are not alone and you don't have to figure this all out by yourself! Many of us are taught messages about food and health as far back as we can remember, and all of these “rules” can feel overwhelming. I'll help you sort through the noise and find ways to nourish your body in a way that makes sense for you and your goals.
) Digestive health and Low FODMAP diets
My goal is to help guide your nutrition for any and all of the above concerns.
After completing a Bachelors in nutrition and dietetics at Purdue University, I moved to Wisconsin to pursue my dietetic internship at Mount Mary University. I have prior work experience in inpatient and outpatient eating disorder settings, outpatient hospital gastrointestinal clinic, and a passion for sports nutrition.
) Digestive health and Low FODMAP diets
My goal is to help guide your nutrition for any and all of the above concerns.
After completing a Bachelors in nutrition and dietetics at Purdue University, I moved to Wisconsin to pursue my dietetic internship at Mount Mary University. I have prior work experience in inpatient and outpatient eating disorder settings, outpatient hospital gastrointestinal clinic, and a passion for sports nutrition.
Specialties include mental health, eating disorders / disordered eating, GI and digestive diseases, food preferences and allergies including Celiac, weight neutral care, liver health, POTS, and RED-S, and other chronic health conditions.
Stephanie’s award-winning, holistic approach to nutrition care, specializes in the intersection of physical, mental, and emotional wellbeing. Stephanie understands the importance of tailoring nutrition support to each individual–she translates her thousands of hours with patients and a decade of research to provide personalized, condition-specific care.
Specialties include mental health, eating disorders / disordered eating, GI and digestive diseases, food preferences and allergies including Celiac, weight neutral care, liver health, POTS, and RED-S, and other chronic health conditions.
Stephanie’s award-winning, holistic approach to nutrition care, specializes in the intersection of physical, mental, and emotional wellbeing. Stephanie understands the importance of tailoring nutrition support to each individual–she translates her thousands of hours with patients and a decade of research to provide personalized, condition-specific care.
I specialize in helping women with IBS, bloating, reflux, and constipation using personalized nutrition, gut-healing strategies, and optional testing.
I help women who are frustrated, exhausted, and constantly wondering what foods will set her off. She’s been dismissed or overwhelmed by rigid plans that don’t address the root of her symptoms. She just wants to feel normal again - less bloating, more energy, consistent digestion, and peace around food. She wants a plan that works in real life and a provider who listens. She’s ready to stop guessing, feel confident in her body, and finally enjoy food and life again.
I specialize in helping women with IBS, bloating, reflux, and constipation using personalized nutrition, gut-healing strategies, and optional testing.
I help women who are frustrated, exhausted, and constantly wondering what foods will set her off. She’s been dismissed or overwhelmed by rigid plans that don’t address the root of her symptoms. She just wants to feel normal again - less bloating, more energy, consistent digestion, and peace around food. She wants a plan that works in real life and a provider who listens. She’s ready to stop guessing, feel confident in her body, and finally enjoy food and life again.
Specialties include sports nutrition; prediabetes and type 2 diabetes (non-insulin dependent); IBS and digestive health (Low FODMAP); food allergies/intolerances; heart health; mindful/intuitive and plant-based eating; weight management (bariatrics, GLP-1s); fatty liver; and women’s health.
Welcome! I’m Adam Walz, a Registered and Licensed Dietitian dedicated to helping people achieve lasting wellness and improved health. I’ve worked with professional and Division I athletes, pregnant and postpartum women, and clients of all ages—from children and adolescents to adults. I hold a Certificate of Training in Adult and Pediatric Obesity (Commission on Dietetic Registration) and I’m certified in the Low Fodmap Diet for IBS management. I provide personalized, evidence-based support tailored to your needs.
Specialties include sports nutrition; prediabetes and type 2 diabetes (non-insulin dependent); IBS and digestive health (Low FODMAP); food allergies/intolerances; heart health; mindful/intuitive and plant-based eating; weight management (bariatrics, GLP-1s); fatty liver; and women’s health.
Welcome! I’m Adam Walz, a Registered and Licensed Dietitian dedicated to helping people achieve lasting wellness and improved health. I’ve worked with professional and Division I athletes, pregnant and postpartum women, and clients of all ages—from children and adolescents to adults. I hold a Certificate of Training in Adult and Pediatric Obesity (Commission on Dietetic Registration) and I’m certified in the Low Fodmap Diet for IBS management. I provide personalized, evidence-based support tailored to your needs.
Reverse Type 2 Diabetes-Lower your Cholesterol-Reduce Bodyfat-Fix Gut Issues.
I work with a wide range of conditions primarily using whole foods, lifestyle counseling, diet modification, nutritional supplementation, and botanicals. For over 25 years Barbara has been teaching clients effective and realistic ways to improve client's health, and successfully manage their weight.
Reverse Type 2 Diabetes-Lower your Cholesterol-Reduce Bodyfat-Fix Gut Issues.
I work with a wide range of conditions primarily using whole foods, lifestyle counseling, diet modification, nutritional supplementation, and botanicals. For over 25 years Barbara has been teaching clients effective and realistic ways to improve client's health, and successfully manage their weight.
Danielle’s ideal client is a bariatric patient struggling to meet daily protein needs. Common concerns include low energy, confusion about which foods are appropriate, and uncertainty around high-protein sources. Clients often want guidance on protein goals and support with staying consistent with bariatric multivitamins.
Danielle’s ideal client is a bariatric patient struggling to meet daily protein needs. Common concerns include low energy, confusion about which foods are appropriate, and uncertainty around high-protein sources. Clients often want guidance on protein goals and support with staying consistent with bariatric multivitamins.
Struggling with digestive issues like pain, bloating, constipation or diarrhea that make you feel miserable?
It all comes down to discovering the root cause of a client's symptoms. As a skilled "nutritional detective", I provide my clients with a data driven, personalized, step-by-step plan to address blocking factors while rebalancing and strengthening the body. I specialize in autoimmune conditions, gut health, food sensitivities, and customized meal plans.
Struggling with digestive issues like pain, bloating, constipation or diarrhea that make you feel miserable?
It all comes down to discovering the root cause of a client's symptoms. As a skilled "nutritional detective", I provide my clients with a data driven, personalized, step-by-step plan to address blocking factors while rebalancing and strengthening the body. I specialize in autoimmune conditions, gut health, food sensitivities, and customized meal plans.
Caitlyn specializes in nutrition therapy for GI conditions, surgery, nutrition support (tube feeding and TPN), food allergies, ALS, weight gain for malnutrition or unintentional weight loss, mindful eating, cancer, diabetes, heart health, bariatric surgery, weight loss, and meal planning for eating on the go.
Caitlyn is a Registered Dietitian who works with clients ready to take charge of their health and make lasting changes. She understands that each person's relationship with food is deeply personal and strives to work alongside you in partnership. Caitlyn strongly believes that education is the key to meaningful behavior change, empowering her clients with the information they need to make informed decisions. She is ready to be your partner on your health journey, making the process achievable, sustainable, and—most importantly—enjoyable!
Caitlyn specializes in nutrition therapy for GI conditions, surgery, nutrition support (tube feeding and TPN), food allergies, ALS, weight gain for malnutrition or unintentional weight loss, mindful eating, cancer, diabetes, heart health, bariatric surgery, weight loss, and meal planning for eating on the go.
Caitlyn is a Registered Dietitian who works with clients ready to take charge of their health and make lasting changes. She understands that each person's relationship with food is deeply personal and strives to work alongside you in partnership. Caitlyn strongly believes that education is the key to meaningful behavior change, empowering her clients with the information they need to make informed decisions. She is ready to be your partner on your health journey, making the process achievable, sustainable, and—most importantly—enjoyable!
I’m best suited for people seeking flexible, realistic support for cancer prevention or survivorship, chronic conditions (like CKD, diabetes, GI disorders), eating disorders, or women’s health and hormone transitions—who want sustainable change and a more supportive relationship with food.
I offer integrative, functional nutrition care grounded in Health at Every Size (HAES). Our work will be collaborative, compassionate, and evidence-based, focused on identifying root contributors and creating achievable plans that support health and quality of life across all stages.
I’m best suited for people seeking flexible, realistic support for cancer prevention or survivorship, chronic conditions (like CKD, diabetes, GI disorders), eating disorders, or women’s health and hormone transitions—who want sustainable change and a more supportive relationship with food.
I offer integrative, functional nutrition care grounded in Health at Every Size (HAES). Our work will be collaborative, compassionate, and evidence-based, focused on identifying root contributors and creating achievable plans that support health and quality of life across all stages.
Since 80% of your immune system is in the gut, foods can act as "triggers" causing inflammation, pain, bloating, diarrhea and more.
If you are trying to improve your health in areas of weight management, diabetes, hypertension, chronic kidney disease and looking for a change in eating habits, I can help in those areas as well.
Since 80% of your immune system is in the gut, foods can act as "triggers" causing inflammation, pain, bloating, diarrhea and more.
If you are trying to improve your health in areas of weight management, diabetes, hypertension, chronic kidney disease and looking for a change in eating habits, I can help in those areas as well.
At Dear Nutrition we specialize in digestive health and eating disorders and have a particular interest in how the two intersect.
For clients navigating an eating disorder, chronic dieting, or disordered eating, our goal is to help you develop a better relationship with food. We use an Intuitive Eating framework and practice a non-diet approach influenced by the principles of Health at Every Size.
At Dear Nutrition we specialize in digestive health and eating disorders and have a particular interest in how the two intersect.
For clients navigating an eating disorder, chronic dieting, or disordered eating, our goal is to help you develop a better relationship with food. We use an Intuitive Eating framework and practice a non-diet approach influenced by the principles of Health at Every Size.
For 15 years I was told there was nothing I could do about my debilitating GI symptoms– pain, cramps, bloating, all the other things no one wants to talk about
In order to find healing, we need to first identify what’s causing your symptoms. A simple stool test or colonoscopy often isn’t enough. But there’s so much more we can do! Then, we’ll use the 5 R Approach as our framework to guide your individualized healing journey and restore balance so you can be free of symptoms and get your life back!
For 15 years I was told there was nothing I could do about my debilitating GI symptoms– pain, cramps, bloating, all the other things no one wants to talk about
In order to find healing, we need to first identify what’s causing your symptoms. A simple stool test or colonoscopy often isn’t enough. But there’s so much more we can do! Then, we’ll use the 5 R Approach as our framework to guide your individualized healing journey and restore balance so you can be free of symptoms and get your life back!
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.
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!
The best part of working with my clients is seeing the mental shift that occurs with nutritional therapy. I work with a lot of people who have been imprisoned by restrictive diets and have beaten themselves up for years because they feel like a failure. At Nutrition Unveiled, the most important thing that occurs is developing a positive relationship with the mind, body, and food, and learning to nourish and treat the body rather than deprive and hurt the body. Happiness creates a much deeper level of health than any number on the scale ever will!
The best part of working with my clients is seeing the mental shift that occurs with nutritional therapy. I work with a lot of people who have been imprisoned by restrictive diets and have beaten themselves up for years because they feel like a failure. At Nutrition Unveiled, the most important thing that occurs is developing a positive relationship with the mind, body, and food, and learning to nourish and treat the body rather than deprive and hurt the body. Happiness creates a much deeper level of health than any number on the scale ever will!