Functional Medicine Nutritionist Nutritionists and Dietitians in Rancho Cucamonga, CA

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
Also specializing in weight loss, diabetes management, alternative & functional nutrition with a Food as Medicine approach.
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.
Also specializing in weight loss, diabetes management, alternative & functional nutrition with a Food as Medicine approach.
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

More Dietitians and Nutritionists Nearby

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 Whitney Lau, Nutritionist/Dietitian, RDN
Whitney Lau
Nutritionist/Dietitian, RDN
Online Only
My approach is rooted in integrative and functional nutrition therapy, designed to heal and support full mind and body wellness.
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.
My approach is rooted in integrative and functional nutrition therapy, designed to heal and support full mind and body wellness.
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
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
Have you recently been diagnosed with pre-diabetes, diabetes, high blood pressure or high cholesterol? Or, are you chronically plagued with the pain or discomfort of IBS, Migraines or Fibromyalgia? Has eating, the one thing you always felt you could control, now begun to feel it is controlling you? Missy has helped hundreds of people overcome and reverse health conditions, establish healthy food relationships, get off the dieting roller coaster, and learn how to have an ENJOYABLE lifestyle full of energy.
Have you recently been diagnosed with pre-diabetes, diabetes, high blood pressure or high cholesterol? Or, are you chronically plagued with the pain or discomfort of IBS, Migraines or Fibromyalgia? Has eating, the one thing you always felt you could control, now begun to feel it is controlling you? Missy has helped hundreds of people overcome and reverse health conditions, establish healthy food relationships, get off the dieting roller coaster, and learn how to have an ENJOYABLE lifestyle full of energy.
(951) 379-3204 View (951) 379-3204
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.
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
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.
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 Joanna Gallo Avery, Nutritionist/Dietitian, MS, RDN, CDCES
Joanna Gallo Avery
Nutritionist/Dietitian, MS, RDN, CDCES
1 Endorsed
Online Only
Using a functional medicine and nutrition approach, I create personalized plans that restore balance, improve energy, and support lasting wellness—from preconception to postpartum.
My ideal client is a woman who’s ready to understand her body on a deeper level. She may be struggling with hormonal changes, fertility challenges, postpartum recovery, digestive issues, or blood sugar imbalance. She wants to feel energized, balanced, and confident again—but is overwhelmed by conflicting advice. She’s looking for compassionate, science-based guidance to finally get to the root of what’s going on and feel like herself again.
Using a functional medicine and nutrition approach, I create personalized plans that restore balance, improve energy, and support lasting wellness—from preconception to postpartum.
My ideal client is a woman who’s ready to understand her body on a deeper level. She may be struggling with hormonal changes, fertility challenges, postpartum recovery, digestive issues, or blood sugar imbalance. She wants to feel energized, balanced, and confident again—but is overwhelmed by conflicting advice. She’s looking for compassionate, science-based guidance to finally get to the root of what’s going on and feel like herself again.
(425) 371-5542 View (425) 371-5542

Online Dietitians and Nutritionists

Photo of Ayumi Mizumoto - Sungreen Nutrition International, Nutritionist/Dietitian, MS
Sungreen Nutrition International
Nutritionist/Dietitian, MS
Online Only
When was the last time you truly felt like "YOU?" Are you suffering from chronic conditions like High BP, Cholesterol, GERD, Diabetes, Insomnia, burned out, no energy, Constipation, Bloating etc. Do you want long lasting relief through natural diet and lifestyle modifications? ​​
When was the last time you truly felt like "YOU?" Are you suffering from chronic conditions like High BP, Cholesterol, GERD, Diabetes, Insomnia, burned out, no energy, Constipation, Bloating etc. Do you want long lasting relief through natural diet and lifestyle modifications? ​​
(858) 360-1525 View (858) 360-1525
Photo of Kristie Tovar - Kristie Tovar Nutrition & Associates, Nutritionist/Dietitian, MS, RDN, CEDS
Kristie Tovar Nutrition & Associates
Nutritionist/Dietitian, MS, RDN, CEDS
1 Endorsed
Glendale, CA 91203
We really get it—it's exhausting to constantly worry about food, your health, or your body. Maybe you're in eating disorder recovery, navigating menopause or PCOS, or managing a chronic illness. You might feel confused by conflicting nutrition advice or overwhelmed by restrictive diets that just don’t work. 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. We help you cut through the confusion with clear guidance tailored to your specific needs.
We really get it—it's exhausting to constantly worry about food, your health, or your body. Maybe you're in eating disorder recovery, navigating menopause or PCOS, or managing a chronic illness. You might feel confused by conflicting nutrition advice or overwhelmed by restrictive diets that just don’t work. 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. We help you cut through the confusion with clear guidance tailored to your specific needs.
(747) 999-4012 View (747) 999-4012
Photo of Seema Shah, Nutritionist/Dietitian, MPH, MS, RD, IFNCP, WIMI-CP
Seema Shah
Nutritionist/Dietitian, MPH, MS, RD, IFNCP, WIMI-CP
Online Only
I utilize integrative and functional nutrition, lifestyle interventions, and health coaching to help my clients achieve their health goals.
I specialize in helping people who have type 2 diabetes or prediabetes, high cholesterol, high blood pressure, hypothyroidism, chronic stress and/or insomnia, anxiety, fatigue, perimenopause, PMS and/or painful periods, chronic stress. and high inflammation. I also help people with meeting their weight goals.
I utilize integrative and functional nutrition, lifestyle interventions, and health coaching to help my clients achieve their health goals.
I specialize in helping people who have type 2 diabetes or prediabetes, high cholesterol, high blood pressure, hypothyroidism, chronic stress and/or insomnia, anxiety, fatigue, perimenopause, PMS and/or painful periods, chronic stress. and high inflammation. I also help people with meeting their weight goals.
(310) 494-7016 View (310) 494-7016
Photo of Nadia Pugh, Nutritionist/Dietitian, MS, RDN, LDN
Nadia Pugh
Nutritionist/Dietitian, MS, RDN, LDN
4 Endorsed
San Diego, CA 92116
Nadia is passionate about women’s health, PCOS, fertility, thyroid and autoimmune disorders, renal health, and diabetes management. Her holistic approach focuses on individualized nutrition plans that cater to your unique needs and goals. She emphasizes that there’s no one-size-fits-all diet and aims to empower you with healthy eating habits that resonate with your preferences. Whether you’re addressing imbalances, seeking better habits, or enhancing your relationship with food, Nadia is committed to providing personalized support and practical advice for lasting well-being.
Nadia is passionate about women’s health, PCOS, fertility, thyroid and autoimmune disorders, renal health, and diabetes management. Her holistic approach focuses on individualized nutrition plans that cater to your unique needs and goals. She emphasizes that there’s no one-size-fits-all diet and aims to empower you with healthy eating habits that resonate with your preferences. Whether you’re addressing imbalances, seeking better habits, or enhancing your relationship with food, Nadia is committed to providing personalized support and practical advice for lasting well-being.
(904) 567-0490 View (904) 567-0490
Photo of Tara Durden - Nutrition Thyme , Nutritionist/Dietitian, MS, RDN
Nutrition Thyme
Nutritionist/Dietitian, MS, RDN
2 Endorsed
Huntington Beach, CA 92649
We are a functional nutrition practice providing personalized nutrition care that empowers clients to improve their health through a functional, sustainable, & client-driven approach.
Our areas of expertise include Preventative Nutrition, Weight Management, Pre-Diabetes & Diabetes Management, PCOS, Hormone Health, GI Disorders, Bariatrics, Kidney Disease, Thyroid Disorders, Pediatrics + Feeding Concerns, Eating Disorders, Intuitive Eating, Supplement Management and Lab Testing & Analysis.
We are a functional nutrition practice providing personalized nutrition care that empowers clients to improve their health through a functional, sustainable, & client-driven approach.
Our areas of expertise include Preventative Nutrition, Weight Management, Pre-Diabetes & Diabetes Management, PCOS, Hormone Health, GI Disorders, Bariatrics, Kidney Disease, Thyroid Disorders, Pediatrics + Feeding Concerns, Eating Disorders, Intuitive Eating, Supplement Management and Lab Testing & Analysis.
(562) 414-5539 View (562) 414-5539
Photo of Kelli Foerster, Nutritionist/Dietitian, MS, CNS, CPT
Kelli Foerster
Nutritionist/Dietitian, MS, CNS, CPT
Online Only
I utilize an integrative approach, combining functional medicine, sports nutrition, behavior change, and intuitive eating.
Hey! I'm Kelli, let's build the ideal strategy for your health and your goals. I help people use diet, exercise, and mindset to improve energy, lose weight, build muscle, and improve health. I know it can be overwhelming, let me help you make it simple AND effective :)
I utilize an integrative approach, combining functional medicine, sports nutrition, behavior change, and intuitive eating.
Hey! I'm Kelli, let's build the ideal strategy for your health and your goals. I help people use diet, exercise, and mindset to improve energy, lose weight, build muscle, and improve health. I know it can be overwhelming, let me help you make it simple AND effective :)
(818) 600-9625 View (818) 600-9625
Photo of Megan Murphy - Shapely, Nutritionist/Dietitian, RDN
Shapely
Nutritionist/Dietitian, RDN
Online Only
Many people want to feel healthier, more energized, and confident in their bodies—but feel stuck after trying countless diets or conflicting advice. They may be struggling with weight, hormonal changes, or medical conditions like diabetes or high cholesterol. They’re looking for sustainable guidance, accountability, and a caring expert who helps them make real progress without restriction or judgment.
Many people want to feel healthier, more energized, and confident in their bodies—but feel stuck after trying countless diets or conflicting advice. They may be struggling with weight, hormonal changes, or medical conditions like diabetes or high cholesterol. They’re looking for sustainable guidance, accountability, and a caring expert who helps them make real progress without restriction or judgment.
(323) 622-7814 View (323) 622-7814
Photo of Jocelyn Harrison, Nutritionist/Dietitian, MPH, RDN
Jocelyn Harrison
Nutritionist/Dietitian, MPH, RDN
1 Endorsed
Online Only
Food, a critical component of health, has the power to heal. I take a holistic approach using the healing power of food and simple lifestyle adjustments to address your health issues at their root cause. We start with a full dietary, medical, and lifestyle assessment to better understand your unique situation, genetics, and health goals. Then, together, you and I will create a personalized, science-based nutrition program designed to address your health conditions and provide you with overall optimum health. You deserve to live a full and vibrant life.
Food, a critical component of health, has the power to heal. I take a holistic approach using the healing power of food and simple lifestyle adjustments to address your health issues at their root cause. We start with a full dietary, medical, and lifestyle assessment to better understand your unique situation, genetics, and health goals. Then, together, you and I will create a personalized, science-based nutrition program designed to address your health conditions and provide you with overall optimum health. You deserve to live a full and vibrant life.
(323) 613-3980 View (323) 613-3980
Photo of Silvina Cox, Nutritionist/Dietitian, MPH, RD
Silvina Cox
Nutritionist/Dietitian, MPH, RD
Thousand Oaks, CA 91360
Silvina Cox, MPH, RD supports and guides clients towards a healthy and balanced relationship with food and their bodies. We address and resolve weight and health concerns together. My approach is highly personalized, based on sound—no hype— nutrition/health sciences to meet your individual or family's needs and goals. My work is grounded in non-diet, Intuitive and mindful eating principles, and is weight inclusive. Areas of expertise include family feeding; adolescent and adult weight concerns; disordered eating, ED's; Type2 & pre diabetes; PCOS; gastrointestinal health; integrative nutrition and wellness.
Silvina Cox, MPH, RD supports and guides clients towards a healthy and balanced relationship with food and their bodies. We address and resolve weight and health concerns together. My approach is highly personalized, based on sound—no hype— nutrition/health sciences to meet your individual or family's needs and goals. My work is grounded in non-diet, Intuitive and mindful eating principles, and is weight inclusive. Areas of expertise include family feeding; adolescent and adult weight concerns; disordered eating, ED's; Type2 & pre diabetes; PCOS; gastrointestinal health; integrative nutrition and wellness.
(805) 813-8497 View (805) 813-8497
Photo of Sarah Marie Jackson, Nutritionist/Dietitian, MS, RDN, CLT
Sarah Marie Jackson
Nutritionist/Dietitian, MS, RDN, CLT
Irvine, CA 92620
Wellness is multifaceted- I'm certified in functional nutrition to help you get to the root cause of your symptoms and provide comprehensive treatment solutions.
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.
Wellness is multifaceted- I'm certified in functional nutrition to help you get to the root cause of your symptoms and provide comprehensive treatment solutions.
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 On Ki Chan, Nutritionist/Dietitian, MS, RDN
On Ki Chan
Nutritionist/Dietitian, MS, RDN
Online Only
I can review functional test results or recommend one.
Holistic approach. Food First. Science Based. Using a holistic approach, I assess your diet, symptoms, history, tests to understand what your best next steps would be. We'll work on diet & lifestyle, supplements to fill in gaps, and discuss testing if that is something you want to explore. Imagine what it would be like to be free of your symptoms. Have more energy, mental clarity, normal bowel movements and feel good in your own body. Everyone is different. I use food as nourishment, cell signaling, and healing to get you back to being healthy. I don't have one set protocol for everyone. I offer personalized nutrition guidance.
I can review functional test results or recommend one.
Holistic approach. Food First. Science Based. Using a holistic approach, I assess your diet, symptoms, history, tests to understand what your best next steps would be. We'll work on diet & lifestyle, supplements to fill in gaps, and discuss testing if that is something you want to explore. Imagine what it would be like to be free of your symptoms. Have more energy, mental clarity, normal bowel movements and feel good in your own body. Everyone is different. I use food as nourishment, cell signaling, and healing to get you back to being healthy. I don't have one set protocol for everyone. I offer personalized nutrition guidance.
(818) 918-9637 View (818) 918-9637
Photo of Sophia Deahl, Nutritionist/Dietitian, MS, RD, IFMCP
Sophia Deahl
Nutritionist/Dietitian, MS, RD, IFMCP
Marina Del Rey, CA 90292
I'm Sophia, a registered dietitian with a functional medicine certification.
I work with adults who are ready to take control of their health, but feel stuck navigating the overwhelm of conflicting nutrition advice, chronic stress, low energy, or persistent health issues. They want a balanced relationship with food and sustainable solutions that fit into their real life, to feel vibrant and confident in their bodies and nutrition.
I'm Sophia, a registered dietitian with a functional medicine certification.
I work with adults who are ready to take control of their health, but feel stuck navigating the overwhelm of conflicting nutrition advice, chronic stress, low energy, or persistent health issues. They want a balanced relationship with food and sustainable solutions that fit into their real life, to feel vibrant and confident in their bodies and nutrition.
(615) 488-3767 View (615) 488-3767
Photo of Maricel Klichuk Rocha, Nutritionist/Dietitian, MS, CPQC
Maricel Klichuk Rocha
Nutritionist/Dietitian, MS, CPQC
Manhattan Beach, CA 90266
We take a functional, integrative approach that blends cutting-edge diagnostics with lifestyle and mindset tools.
My ideal client feels stuck — tired, inflamed, frustrated by weight gain, hormone imbalances, or recurring symptoms. They've tried different diets and supplements without lasting success. They want clarity, energy, and to slow aging smartly with confidence. Most of all, they want a personalized, science-based path to feel like themselves again.
We take a functional, integrative approach that blends cutting-edge diagnostics with lifestyle and mindset tools.
My ideal client feels stuck — tired, inflamed, frustrated by weight gain, hormone imbalances, or recurring symptoms. They've tried different diets and supplements without lasting success. They want clarity, energy, and to slow aging smartly with confidence. Most of all, they want a personalized, science-based path to feel like themselves again.
(424) 544-3792 View (424) 544-3792
Photo of Aaron Slotkin, Nutritionist/Dietitian, MS, CCN, PharmD
Aaron Slotkin
Nutritionist/Dietitian, MS, CCN, PharmD
Los Angeles, CA 90048
As an option for my clients, I provide functional blood chemistry analysis.
As my client, I want to find out what is really going on with your metabolism and provide you with answers aimed at improving weight and health in a convenient way using the latest evidence in nutritional science. I'm a board Certified Clinical Nutritionist and Pharmacist with affordable pricing and friendly service. I serve the Los Angeles county area.
As an option for my clients, I provide functional blood chemistry analysis.
As my client, I want to find out what is really going on with your metabolism and provide you with answers aimed at improving weight and health in a convenient way using the latest evidence in nutritional science. I'm a board Certified Clinical Nutritionist and Pharmacist with affordable pricing and friendly service. I serve the Los Angeles county area.
(909) 962-1209 View (909) 962-1209