Irritable Bowel Syndrome (IBS) Nutritionists and Dietitians in 92502

Photo of Alysia Vega, Nutritionist/Dietitian, LDN, RD
Alysia Vega
Nutritionist/Dietitian, LDN, RD
1 Endorsed
Online Only
Hello! I am a California-based Registered Dietitian with the group practice, Karuna Wellness Studio, who sees clients both virtually across the U.S. Karuna is a group practice specializing in nutrition and movement services through a anti-diet, HAES-aligned, weight-neutral approach. We integrate the pillars of lifestyle medicine and nutritional psychiatry to serve as health advocates for our clients, promoting both physical and mental health. I truly enjoy helping clients explore their relationship with food, movement and their bodies.
Hello! I am a California-based Registered Dietitian with the group practice, Karuna Wellness Studio, who sees clients both virtually across the U.S. Karuna is a group practice specializing in nutrition and movement services through a anti-diet, HAES-aligned, weight-neutral approach. We integrate the pillars of lifestyle medicine and nutritional psychiatry to serve as health advocates for our clients, promoting both physical and mental health. I truly enjoy helping clients explore their relationship with food, movement and their bodies.
(858) 683-1993 View (858) 683-1993

More Dietitians and Nutritionists Nearby

Photo of Chelsea Pambianco, Nutritionist/Dietitian, MS, RDN
Chelsea Pambianco
Nutritionist/Dietitian, MS, RDN
Serves Area
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
Photo of Melanie Schuller, Nutritionist/Dietitian, RDN, LD
Melanie Schuller
Nutritionist/Dietitian, RDN, LD
Online Only
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.
(727) 353-6260 View (727) 353-6260
Photo of Tianna Nilsen - Temecula Dietitians , Nutritionist/Dietitian, MS, RD
Temecula Dietitians
Nutritionist/Dietitian, MS, RD
Serves Area
We are highly experienced dietitians that focus on our clients individual needs in a way that feels realistic and attainable. We treat all conditions including eating disorders, diabetes, heart disease, women's health issues, gastrointestinal disorders, sports nutrition, allergies, family nutrition, intuitive eating and more. We are currently accepting new 1:1 clients via in office and telehealth. We are in-network with IEHP, TriWest, Anthem Blue Cross, Blue Shield of CA, United Healthcare, Medicare, and Health Net. With our clients we focus on attainable health behaviors for sustainable health and wellness.
We are highly experienced dietitians that focus on our clients individual needs in a way that feels realistic and attainable. We treat all conditions including eating disorders, diabetes, heart disease, women's health issues, gastrointestinal disorders, sports nutrition, allergies, family nutrition, intuitive eating and more. We are currently accepting new 1:1 clients via in office and telehealth. We are in-network with IEHP, TriWest, Anthem Blue Cross, Blue Shield of CA, United Healthcare, Medicare, and Health Net. With our clients we focus on attainable health behaviors for sustainable health and wellness.
(442) 444-2023 View (442) 444-2023
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 Kyle Keller, Nutritionist/Dietitian, RDN, MPH
Kyle Keller
Nutritionist/Dietitian, RDN, MPH
Redlands, CA 92373
My ideal client is someone seeking to regain control of their health, whether they’re struggling with weight management, chronic conditions like diabetes or kidney issues, or overall wellness. They need personalized, evidence-based guidance tailored to their unique challenges and lifestyle. Their goal is to improve their health, feel empowered, and achieve sustainable, long-term results. They want clear, practical solutions and compassionate support to make lasting changes for a healthier, happier life.
My ideal client is someone seeking to regain control of their health, whether they’re struggling with weight management, chronic conditions like diabetes or kidney issues, or overall wellness. They need personalized, evidence-based guidance tailored to their unique challenges and lifestyle. Their goal is to improve their health, feel empowered, and achieve sustainable, long-term results. They want clear, practical solutions and compassionate support to make lasting changes for a healthier, happier life.
(909) 765-3607 View (909) 765-3607
Photo of Christine Bou Sleiman, Nutritionist/Dietitian, MS, RDN, CLT
Christine Bou Sleiman
Nutritionist/Dietitian, MS, RDN, CLT
1 Endorsed
Glendora, CA 91740
Some of these symptoms/medical conditions include: Irritable Bowel Syndrome and other digestive disorders, Diarrhea, Arthritis, Migraines, Hashimoto's, Eczema, Fibromyalgia, Chronic Fatigue Syndrome, and Polycystic Ovarian Syndrome.
Do you suffer from digestive disorders? Food sensitivities make you sick? Looking to lose, or gain weight safely? Suffering from uncontrolled diabetes? Do you want a healthy lifestyle? If so, I would love to guide you on your path to wellness.
Some of these symptoms/medical conditions include: Irritable Bowel Syndrome and other digestive disorders, Diarrhea, Arthritis, Migraines, Hashimoto's, Eczema, Fibromyalgia, Chronic Fatigue Syndrome, and Polycystic Ovarian Syndrome.
Do you suffer from digestive disorders? Food sensitivities make you sick? Looking to lose, or gain weight safely? Suffering from uncontrolled diabetes? Do you want a healthy lifestyle? If so, I would love to guide you on your path to wellness.
(844) 505-3306 View (844) 505-3306
Photo of Kaori Murata-Shih, Nutritionist/Dietitian, MS, RD, CSR
Kaori Murata-Shih
Nutritionist/Dietitian, MS, RD, CSR
Claremont, CA 91711
My specialties include renal/CKD nutrition, weight management, pre- and post-bariatric surgery nutrition support, nutrition while on on GLP-1 medications, diabetes, PCOS, gut health ( IBS and IBD, low FODMAP diet guidance), mindful eating practices, improving relationship with food, heart health, and many more.
I work with highly motivated clients of all ages, who are ready to incorporate lifestyle changes to improve health. I provided evidence based guidance to support short and long term health goals through Medical Nutrition Therapy counseling.
My specialties include renal/CKD nutrition, weight management, pre- and post-bariatric surgery nutrition support, nutrition while on on GLP-1 medications, diabetes, PCOS, gut health ( IBS and IBD, low FODMAP diet guidance), mindful eating practices, improving relationship with food, heart health, and many more.
I work with highly motivated clients of all ages, who are ready to incorporate lifestyle changes to improve health. I provided evidence based guidance to support short and long term health goals through Medical Nutrition Therapy counseling.
(909) 442-0379 View (909) 442-0379
Photo of Aditi Shah, Nutritionist/Dietitian, MPH, RDN
Aditi Shah
Nutritionist/Dietitian, MPH, RDN
Serves Area
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 Michelle Missy Porteous, Nutritionist/Dietitian, MS, RD, CDE, CLT
Michelle Missy Porteous
Nutritionist/Dietitian, MS, RD, CDE, CLT
1 Endorsed
Riverside, CA 92505
Or, are you chronically plagued with the pain or discomfort of IBS, Migraines or Fibromyalgia?
Missy's passion is helping clients reverse pre-diabetes, diabetes, high blood pressure, high cholesterol and stop dieting once and for all. Her patients have lost weight, reduced or eliminated need for medications, improved lab results to normal and now feel amazing! Visit www.LifeQualityRD.net for more information and to see success stories!
Or, are you chronically plagued with the pain or discomfort of IBS, Migraines or Fibromyalgia?
Missy's passion is helping clients reverse pre-diabetes, diabetes, high blood pressure, high cholesterol and stop dieting once and for all. Her patients have lost weight, reduced or eliminated need for medications, improved lab results to normal and now feel amazing! Visit www.LifeQualityRD.net for more information and to see success stories!
(951) 379-3204 View (951) 379-3204
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 April L. Murray, Nutritionist/Dietitian, RD, CLT
April L. Murray
Nutritionist/Dietitian, RD, CLT
Serves Area
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.
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 Sarah Marie Jackson, Nutritionist/Dietitian, MS, RDN, CLT
Sarah Marie Jackson
Nutritionist/Dietitian, MS, RDN, CLT
Irvine, CA 92620
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 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 Alyssa Davis, Nutritionist/Dietitian, MS, RDN
Alyssa Davis
Nutritionist/Dietitian, MS, RDN
Claremont, CA 91711
I also have experience working with clients with diabetes, food allergies, GI complications (i.e. irritable bowel syndrome), PCOS, emotional eating, and substance abuse.
I have a diverse background in clinical, community, & sports nutrition settings. I specialize in working with eating disorders, disordered eating, & performance nutrition. I am passionate about a holistic and somatically attuned approach to cultivating a peaceful relationship with food, the body, & movement. I provide counseling & education from a weight-inclusive, non-diet perspective. I've worked with people of all ages and backgrounds. As a woman of color, I find fulfillment in helping those with marginalized identities. I feel a great sense of purpose working alongside people to help them build a strong mind-body connection.
I also have experience working with clients with diabetes, food allergies, GI complications (i.e. irritable bowel syndrome), PCOS, emotional eating, and substance abuse.
I have a diverse background in clinical, community, & sports nutrition settings. I specialize in working with eating disorders, disordered eating, & performance nutrition. I am passionate about a holistic and somatically attuned approach to cultivating a peaceful relationship with food, the body, & movement. I provide counseling & education from a weight-inclusive, non-diet perspective. I've worked with people of all ages and backgrounds. As a woman of color, I find fulfillment in helping those with marginalized identities. I feel a great sense of purpose working alongside people to help them build a strong mind-body connection.
(909) 637-4778 View (909) 637-4778
Photo of Valentina Steverlynck, Nutritionist/Dietitian, MS, RD, LDN
Valentina Steverlynck
Nutritionist/Dietitian, MS, RD, LDN
Serves Area
Hi there! I’m a registered dietitian who helps adults and children navigate eating disorder recovery, pediatric feeding disorders, ARFID, intuitive eating, picky eating, and anti-diet vegan nutrition. My approach to nutrition counseling is compassionate and evidence-based. I practice from a weight-neutral HAES lens. Whether you’re struggling with disordered eating, supporting a child with medical nutrition needs, or navigating plant-based or vegan nutrition safely, I provide practical guidance tailored to your real life. Sessions are collaborative, supportive, and focused on sustainable change, not rules or restriction.
Hi there! I’m a registered dietitian who helps adults and children navigate eating disorder recovery, pediatric feeding disorders, ARFID, intuitive eating, picky eating, and anti-diet vegan nutrition. My approach to nutrition counseling is compassionate and evidence-based. I practice from a weight-neutral HAES lens. Whether you’re struggling with disordered eating, supporting a child with medical nutrition needs, or navigating plant-based or vegan nutrition safely, I provide practical guidance tailored to your real life. Sessions are collaborative, supportive, and focused on sustainable change, not rules or restriction.
(949) 676-1582 View (949) 676-1582
Photo of Gwendolyn Moore Mph Rd - Nutrition by Gwen Consulting, Nutritionist/Dietitian, MPH, RD, CLT
Nutrition by Gwen Consulting
Nutritionist/Dietitian, MPH, RD, CLT
1 Endorsed
Rancho Cucamonga, CA 91730
If you are experiencing food sensitivities related to migraines, Irritable Bowel Syndrome, Crohn's or any digestive abnormalities then you have landed on the right website.
I specialize in LEAP [Lifestyle, Eating & Performance] Therapy, Food sensitivity and toxic immune food reactions. Through Mediator Release testing (MRT) the residual effects of food are identified (no more guessing) and quantified according to the inflammation load. Lastly, a customized food plan is prepared.
If you are experiencing food sensitivities related to migraines, Irritable Bowel Syndrome, Crohn's or any digestive abnormalities then you have landed on the right website.
I specialize in LEAP [Lifestyle, Eating & Performance] Therapy, Food sensitivity and toxic immune food reactions. Through Mediator Release testing (MRT) the residual effects of food are identified (no more guessing) and quantified according to the inflammation load. Lastly, a customized food plan is prepared.
(714) 643-8757 View (714) 643-8757
Photo of Tami Broderick, Nutritionist/Dietitian, RD, CLT
Tami Broderick
Nutritionist/Dietitian, RD, CLT
1 Endorsed
Serves Area
As a compassionate Dietitian with 17 years of experience specializing in functional nutrition, I'm dedicated to helping you discover the root causes of your health challenges. I understand firsthand the journey of battling autoimmune diseases, gut issues, and thyroid imbalances, as I have navigated similar paths in my own life. I'm particularly passionate about working with individuals who have been told there's nothing wrong with them even though they don't feel well. My approach is tailored to your specific needs and can be conducted conveniently through Zoom, ensuring accessibility and flexibility on your journey to better health
As a compassionate Dietitian with 17 years of experience specializing in functional nutrition, I'm dedicated to helping you discover the root causes of your health challenges. I understand firsthand the journey of battling autoimmune diseases, gut issues, and thyroid imbalances, as I have navigated similar paths in my own life. I'm particularly passionate about working with individuals who have been told there's nothing wrong with them even though they don't feel well. My approach is tailored to your specific needs and can be conducted conveniently through Zoom, ensuring accessibility and flexibility on your journey to better health
(949) 281-7497 View (949) 281-7497
Photo of Jessica Patricia Martinez, Nutritionist/Dietitian, RDN
Jessica Patricia Martinez
Nutritionist/Dietitian, RDN
Online Only
I am a Registered Dietitian Nutritionist (RDN), a member of the Celiac Disease Foundation, trained in the low FODMAP diet for IBS by Monash University, and certified in Nutrition Focused Physical Exam (NFPE).
Are you struggling with persistent digestive issues, feeling overwhelmed by endless doctor appointments, or frustrated by the lack of clear solutions? You're not alone, and I'm here to help. I'm Jessica Martinez, a Registered Dietitian specializing in gastrointestinal (GI) health and weight management, dedicated to uncovering the root causes of your symptoms and helping you achieve lasting wellness.
I am a Registered Dietitian Nutritionist (RDN), a member of the Celiac Disease Foundation, trained in the low FODMAP diet for IBS by Monash University, and certified in Nutrition Focused Physical Exam (NFPE).
Are you struggling with persistent digestive issues, feeling overwhelmed by endless doctor appointments, or frustrated by the lack of clear solutions? You're not alone, and I'm here to help. I'm Jessica Martinez, a Registered Dietitian specializing in gastrointestinal (GI) health and weight management, dedicated to uncovering the root causes of your symptoms and helping you achieve lasting wellness.
(626) 507-5118 View (626) 507-5118
Photo of Maria Isabel Ramirez Zamora - Holistika Nutrition and Wellness, Nutritionist/Dietitian, MS, CN, CNSc
Holistika Nutrition and Wellness
Nutritionist/Dietitian, MS, CN, CNSc
Online Only
At Holistika Nutrition & Wellness, our clinic provides compassionate, evidence-based nutrition care for individuals seeking to understand and heal the root causes of their health concerns. We specialize in supporting women through hormonal changes, PCOS, pregnancy, postpartum recovery, and menopause, as well as adults managing diabetes, high cholesterol, metabolic syndrome, and gut health concerns. Our team of dietitians and nutritionists offers clarity, balance, and sustainable guidance tailored to your unique health journey.
At Holistika Nutrition & Wellness, our clinic provides compassionate, evidence-based nutrition care for individuals seeking to understand and heal the root causes of their health concerns. We specialize in supporting women through hormonal changes, PCOS, pregnancy, postpartum recovery, and menopause, as well as adults managing diabetes, high cholesterol, metabolic syndrome, and gut health concerns. Our team of dietitians and nutritionists offers clarity, balance, and sustainable guidance tailored to your unique health journey.
(206) 457-1558 View (206) 457-1558
Photo of Whitney Lau, Nutritionist/Dietitian, RDN
Whitney Lau
Nutritionist/Dietitian, RDN
Online Only
Diagnosed with PCOS? Struggling with digestive issues, period problems, thyroid problems, fertility challenges, or menopause symp? Experiencing symptoms of fatigue, low energy, bloating, acne, and/ or hair loss? If you’re finding it difficult to get answers from your doctor, or if you were simply told "your labs look normal", and are tired of the trial-and-error approach, wasting time and money on random supplements and treatments, know that there's a better solution. You deserve to have the tools to learn how to manage your health issues, heal your body, and feel like yourself while living a life you love to its fullest potential.
Diagnosed with PCOS? Struggling with digestive issues, period problems, thyroid problems, fertility challenges, or menopause symp? Experiencing symptoms of fatigue, low energy, bloating, acne, and/ or hair loss? If you’re finding it difficult to get answers from your doctor, or if you were simply told "your labs look normal", and are tired of the trial-and-error approach, wasting time and money on random supplements and treatments, know that there's a better solution. You deserve to have the tools to learn how to manage your health issues, heal your body, and feel like yourself while living a life you love to its fullest potential.
(510) 726-4221 View (510) 726-4221
Irritable Bowel Syndrome (IBS) Nutritionists and Dietitians
What is Irritable Bowel Syndrome (IBS)?
Irritable bowel syndrome (IBS) is a general term that refers to a collection of symptoms associated with poor gut mobility and function, including abdominal pain, bloating, gas, and diarrhea. IBS is very common, with some estimates suggesting that as many as 10-15% of adults within the United States have IBS. Although the two conditions sound similar and share many symptoms, such as abdominal pain and diarrhea, IBS differs from irritable bowel diseases (IBDs), such as ulcerative colitis and Crohn's disease. In contrast to IBS which is caused by issues in the functioning of the colon, IBDs are inflammatory conditions caused by overactive immune cells within the intestine. IBDs are much less common than IBS and typically more medically severe, occasionally requiring intensive medical treatment and/or surgery. IBS, in contrast, can usually be managed effectively with lifestyle changes and less intense medical intervention.

What are the subcategories of IBS?
Medical professionals generally identify four main types of IBS: IBS-C (constipation-predominant subtype), IBS-D (diarrhea-predominant subtype), IBS-M (mixed bowel subtype), and IBS-U (undefined subtype). Identifying the predominant type of IBS an individual has can be important for determining the type of treatment that is best for them, such as the lifestyle and dietary changes that may be most appropriate, as well as any medications that may be necessary. However, individuals may also experience multiple subtypes over time, as well as experience cycles of flare-ups and symptom relief.

What causes IBS?
The causes of IBS are not well understood, but symptoms are generally attributed to issues with gut muscle contraction and changes in the gut microbiome, both of which can lead to the characteristic symptoms of IBS. These issues can be caused by a variety of lifestyle factors, such as diet and stress. While lifestyle modifications may not completely cure IBS symptoms, identifying symptom-triggering foods, consuming a balanced diet, and reducing stress have all been shown to greatly reduce symptoms. IBS can also be caused by bacterial or parasitic infections within the intestine, in which case the syndrome is referred to as "post-infectious IBS." In contrast to non-infectious IBS, post-infectious IBS is less chronic in nature and symptoms will often resolve once the infection has subsided.

What foods should I avoid if I have IBS?
Specific foods that may trigger symptoms of IBS can vary person-to-person. However, common foods that may exacerbate symptoms include high-fat foods (such as fatty meats), wheat, dairy products, highly acidic foods (such as citrus), beans, cabbage, milk, and carbonated drinks. Over time, individuals with IBS are often able to identify which foods cause their symptoms to worsen and learn to avoid such foods to manage their symptoms.