Functional Medicine Nutritionist Nutritionists and Dietitians in Thornton, CO

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Photo of Carly Marenna - June Nutrition Therapy, Nutritionist/Dietitian, MHA, RD-N
June Nutrition Therapy
Nutritionist/Dietitian, MHA, RD-N
Online Only
I specialize in women's health and fertility nutrition, helping women optimize mood, energy, sleep, hormonal balance, and overall vitality—whether you're preparing for conception, nurturing yourself through pregnancy and postpartum, supporting breastfeeding, or managing blood sugar for a healthier pregnancy (including gestational diabetes). My approach centers on nutrient-dense, real-food strategies that nourish your body deeply, build resilience for you and your baby, and create sustainable well-being without restriction or fear.
I specialize in women's health and fertility nutrition, helping women optimize mood, energy, sleep, hormonal balance, and overall vitality—whether you're preparing for conception, nurturing yourself through pregnancy and postpartum, supporting breastfeeding, or managing blood sugar for a healthier pregnancy (including gestational diabetes). My approach centers on nutrient-dense, real-food strategies that nourish your body deeply, build resilience for you and your baby, and create sustainable well-being without restriction or fear.
(562) 262-8714 View (562) 262-8714
Photo of Nadia Pugh, Nutritionist/Dietitian, MS, RDN, LDN
Nadia Pugh
Nutritionist/Dietitian, MS, RDN, LDN
4 Endorsed
Denver, CO 80209
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 Cassie Petro, Nutritionist/Dietitian, MS, CN, CNS
Cassie Petro
Nutritionist/Dietitian, MS, CN, CNS
1 Endorsed
Denver, CO 80215
Waitlist for new clients
I emphasize Food As Medicine and utilize functional medicine to identify food triggers or intolerances, metabolic or hormonal imbalances, and nutrient deficiencies, while also addressing behavioral aspects of diet and lifestyle to help improve health and wellbeing.
Our lives revolve around and depend on food, which is why nurturing your relationship to food is crucial to your health and something I strive to help strengthen. My approach to nutrition therapy is collaborative and personalized to optimize function within the whole body. Evidence-based nutrition science, health coaching, and trauma-informed care guide my practice to meet the needs of each individual I work with. I recognize the various challenges that can impact proper nutrition and aim to reduce internal and external limitations through nutrition education, empowerment, and behavior change.
I emphasize Food As Medicine and utilize functional medicine to identify food triggers or intolerances, metabolic or hormonal imbalances, and nutrient deficiencies, while also addressing behavioral aspects of diet and lifestyle to help improve health and wellbeing.
Our lives revolve around and depend on food, which is why nurturing your relationship to food is crucial to your health and something I strive to help strengthen. My approach to nutrition therapy is collaborative and personalized to optimize function within the whole body. Evidence-based nutrition science, health coaching, and trauma-informed care guide my practice to meet the needs of each individual I work with. I recognize the various challenges that can impact proper nutrition and aim to reduce internal and external limitations through nutrition education, empowerment, and behavior change.
(720) 580-4263 View (720) 580-4263
Photo of Angela B Moore, Nutritionist/Dietitian, MS, RD, CLT
Angela B Moore
Nutritionist/Dietitian, MS, RD, CLT
1 Endorsed
Online Only
My journey into functional medicine began with the realization that nutrition is more than just fuel—it’s a powerful tool that influences every aspect of our well-being.
Are you experiencing frequent migraines, chronic digestive problems, fatigue and joint pain, let a Certified LEAP Therapist experienced in an integrative approach to food allergies, sensitivities, and intolerances help you "calm your immune system, heal your GI tract, and improve your long term health. MRT/LEAP can help you!
My journey into functional medicine began with the realization that nutrition is more than just fuel—it’s a powerful tool that influences every aspect of our well-being.
Are you experiencing frequent migraines, chronic digestive problems, fatigue and joint pain, let a Certified LEAP Therapist experienced in an integrative approach to food allergies, sensitivities, and intolerances help you "calm your immune system, heal your GI tract, and improve your long term health. MRT/LEAP can help you!
(720) 358-5148 View (720) 358-5148
Photo of Vanessa Berenstein, Nutritionist/Dietitian, MA, RD, FMN, CCH
Vanessa Berenstein
Nutritionist/Dietitian, MA, RD, FMN, CCH
Boulder, CO 80305
I use a holistic, evidence-based approach rooted in functional medicine, herbalism, mind-body healing, and emotional wellness.
With over 15 years of experience helping leaders detox holistically and elevate their vitality, I combine science, ancient wisdom, and spiritual insight to guide deep transformation. In just one session, you'll gain clarity on the root causes of your health blocks, receive a personalized, actionable roadmap, and walk away feeling empowered, energized, and aligned with your highest potential.
I use a holistic, evidence-based approach rooted in functional medicine, herbalism, mind-body healing, and emotional wellness.
With over 15 years of experience helping leaders detox holistically and elevate their vitality, I combine science, ancient wisdom, and spiritual insight to guide deep transformation. In just one session, you'll gain clarity on the root causes of your health blocks, receive a personalized, actionable roadmap, and walk away feeling empowered, energized, and aligned with your highest potential.
(646) 395-9643 View (646) 395-9643
Photo of Becky Bell, Nutritionist/Dietitian, MS, RDN, IFNCP, CLT
Becky Bell
Nutritionist/Dietitian, MS, RDN, IFNCP, CLT
1 Endorsed
Wheat Ridge, CO 80033
I use a functional approach to nutrition to help you get the root cause of your symptoms and find relief from your symptoms so you can reclaim your health, vibrant life.
I'm Becky, a dietitian with a passion for helping you feel amazing in your body. I offer both in-person and virtual nutrition counseling. I also offer functional lab testing to help you get to the root of your symptoms.
I use a functional approach to nutrition to help you get the root cause of your symptoms and find relief from your symptoms so you can reclaim your health, vibrant life.
I'm Becky, a dietitian with a passion for helping you feel amazing in your body. I offer both in-person and virtual nutrition counseling. I also offer functional lab testing to help you get to the root of your symptoms.
(720) 817-6853 View (720) 817-6853
Photo of Gray Foster Jessiman, Nutritionist/Dietitian, CNTP, LLMSW, MA
Gray Foster Jessiman
Nutritionist/Dietitian, CNTP, LLMSW, MA
Serves Area
I currently run my own nutrition consulting business called Eat Well Age Well Nutrition where I help clients identify the root cause of their health conditions and provide nutritional protocols to address their issues. I want to support people in healthy and graceful aging by targeting inflammation and barriers in the body such as the gut and the brain. Clients who want to prevent cognitive decline and who believe that food and lifestyle are keys to longevity are most welcome. Certifications include: Nutrition Therapy Practitioner (2 yr-600 hrs), Natural Foods Chef, Certified Autoimmune Paleo, and Certified Gluten Practitioner.
I currently run my own nutrition consulting business called Eat Well Age Well Nutrition where I help clients identify the root cause of their health conditions and provide nutritional protocols to address their issues. I want to support people in healthy and graceful aging by targeting inflammation and barriers in the body such as the gut and the brain. Clients who want to prevent cognitive decline and who believe that food and lifestyle are keys to longevity are most welcome. Certifications include: Nutrition Therapy Practitioner (2 yr-600 hrs), Natural Foods Chef, Certified Autoimmune Paleo, and Certified Gluten Practitioner.
(313) 476-3409 View (313) 476-3409
Photo of Ryah Nabielski, Nutritionist/Dietitian, MS, RDN, LN, CLT
Ryah Nabielski
Nutritionist/Dietitian, MS, RDN, LN, CLT
Online Only
Building nutrition and lifestyle habits is foundational, but I also use functional lab testing and targeted supplements to really dial in your plan.
Are you in your 40s, like me, and your hormones are taking you for a ride? Perhaps you continue to eat well and exercise but are experiencing weight gain, anxiety, night sweats, emotional eating, or other uncomfortable symptoms. You don't feel like yourself. Maybe your symptoms have been brushed aside by your doctor as "being a woman" or "getting older" without offering any effective solutions. I can help. I support women during times of hormonal change to get to the root of the issue and discover long-term health. Nutrition is a powerful tool for hormone balance through the fertile years, pregnancy, postpartum, and perimenopause.
Building nutrition and lifestyle habits is foundational, but I also use functional lab testing and targeted supplements to really dial in your plan.
Are you in your 40s, like me, and your hormones are taking you for a ride? Perhaps you continue to eat well and exercise but are experiencing weight gain, anxiety, night sweats, emotional eating, or other uncomfortable symptoms. You don't feel like yourself. Maybe your symptoms have been brushed aside by your doctor as "being a woman" or "getting older" without offering any effective solutions. I can help. I support women during times of hormonal change to get to the root of the issue and discover long-term health. Nutrition is a powerful tool for hormone balance through the fertile years, pregnancy, postpartum, and perimenopause.
(720) 463-1468 View (720) 463-1468
Photo of Cara Ann Marrs, Nutritionist/Dietitian, RDN, CLT
Cara Ann Marrs
Nutritionist/Dietitian, RDN, CLT
1 Endorsed
Online Only
I work with people for sports nutrition, weight management, gut and food sensitivity health, chronic disease management, pregnancy, and every aspect of wellness in a functional medicine model.
I offer support and education, delivered in a way that my clients have described as understandable and in depth, so you are feeling better and performing your best. I'll look at all aspects of your lifestyle and add food sensitivity testing or micro-nutrient testing as needed. I have helped hundreds of people over the last 9 years through MRT food testing.
I work with people for sports nutrition, weight management, gut and food sensitivity health, chronic disease management, pregnancy, and every aspect of wellness in a functional medicine model.
I offer support and education, delivered in a way that my clients have described as understandable and in depth, so you are feeling better and performing your best. I'll look at all aspects of your lifestyle and add food sensitivity testing or micro-nutrient testing as needed. I have helped hundreds of people over the last 9 years through MRT food testing.
(970) 875-6524 View (970) 875-6524
Photo of Debbie Lew - Created For Wellness Nutritional Therapy Llc, Nutritionist/Dietitian, FNTP
My approach is functional, holistic, customized to your goals & valuing your bio-individuality.
Are you seeking a natural approach to mental wellness? Did you know that nutrients from food and supplements can make a difference in supporting ADHD, mood, anxiety and depression? I utilize natural, evidence-based strategies that are effective such as targeted nutrients to support brain health, gut healing & restoration, detox, homeopathy and lifestyle changes. Food can be your medicine – there are options other than pharmaceutical medications! Nutrition is the foundation of health as every cell, tissue and organ in your body depends on nutrients to function properly. I can be your trusted partner in your health journey.
My approach is functional, holistic, customized to your goals & valuing your bio-individuality.
Are you seeking a natural approach to mental wellness? Did you know that nutrients from food and supplements can make a difference in supporting ADHD, mood, anxiety and depression? I utilize natural, evidence-based strategies that are effective such as targeted nutrients to support brain health, gut healing & restoration, detox, homeopathy and lifestyle changes. Food can be your medicine – there are options other than pharmaceutical medications! Nutrition is the foundation of health as every cell, tissue and organ in your body depends on nutrients to function properly. I can be your trusted partner in your health journey.
(720) 477-4684 View (720) 477-4684
Photo of Margo Gasta, Nutritionist/Dietitian, DCN, RDN, CCH
Margo Gasta
Nutritionist/Dietitian, DCN, RDN, CCH
Boulder, CO 80302
I provide advanced level integrative and functional nutritional care as well as homeopathy.
I provide nutrition support for celiac's disease, SIBO/SIFO, abdominal pain, reflux, constipation, diarrhea; chronic sinus issues; binge eating; weight loss; insulin resistance; PCOS; high blood pressure; high cholesterol; joint pain; muscle pain; fibromyalgia/ fatigue; autoimmune disease; depression, anxiety, OCD, ADHD and skin conditions.
I provide advanced level integrative and functional nutritional care as well as homeopathy.
I provide nutrition support for celiac's disease, SIBO/SIFO, abdominal pain, reflux, constipation, diarrhea; chronic sinus issues; binge eating; weight loss; insulin resistance; PCOS; high blood pressure; high cholesterol; joint pain; muscle pain; fibromyalgia/ fatigue; autoimmune disease; depression, anxiety, OCD, ADHD and skin conditions.
(720) 580-5746 View (720) 580-5746
Photo of Katey Hinch Greene, Nutritionist/Dietitian, MNT, CGP, CHHC, ReCODE
Katey Hinch Greene
Nutritionist/Dietitian, MNT, CGP, CHHC, ReCODE
Evergreen, CO 80439
Are you struggling to make healthy choices? I too found it difficult to pass up the sugar in lieu of something "green" and/or "healthy." It took me many baby steps of meeting many small health goals over time to succeed. A "healthy lifestyle" can be complex and small steps may seem insignificant, but I am here to help you overcome these challenges. We will breakdown your needs and health issues into measurable, achievable steps. We will meet your health needs head on, but in manageable "to do" lists. Come work with me to explore root causes to your discomfort and dis-ease. I work with clients in person and via Zoom.
Are you struggling to make healthy choices? I too found it difficult to pass up the sugar in lieu of something "green" and/or "healthy." It took me many baby steps of meeting many small health goals over time to succeed. A "healthy lifestyle" can be complex and small steps may seem insignificant, but I am here to help you overcome these challenges. We will breakdown your needs and health issues into measurable, achievable steps. We will meet your health needs head on, but in manageable "to do" lists. Come work with me to explore root causes to your discomfort and dis-ease. I work with clients in person and via Zoom.
(720) 615-3558 View (720) 615-3558
Photo of Jess Sorci - Jess Sorci Functional Nutritionist LLC, Nutritionist/Dietitian, MS, CNS, LDN
Jess Sorci Functional Nutritionist LLC
Nutritionist/Dietitian, MS, CNS, LDN
Lakewood, CO 80215
I am Jess Sorci is a nutritionist and functional medicine practitioner working with clients with complex health issues, including autoimmune disorders, digestive imbalances, hormone and thyroid dysregulation, and much more.
I blend nutrition, functional medicine, stress management, and mindset coaching to address the whole person. My passion is health education. I believe in educating our clients about how diet, lifestyle, stress, and other environmental factors impede health while coaching clients on how to make changes that promote health and optimal wellness.
I am Jess Sorci is a nutritionist and functional medicine practitioner working with clients with complex health issues, including autoimmune disorders, digestive imbalances, hormone and thyroid dysregulation, and much more.
I blend nutrition, functional medicine, stress management, and mindset coaching to address the whole person. My passion is health education. I believe in educating our clients about how diet, lifestyle, stress, and other environmental factors impede health while coaching clients on how to make changes that promote health and optimal wellness.
(720) 707-2556 View (720) 707-2556
Photo of Vivian Moran, Nutritionist/Dietitian, MS, CNS, CDN, MBA
Vivian Moran
Nutritionist/Dietitian, MS, CNS, CDN, MBA
Serves Area
My approach combines clinical nutrition, medical nutrition therapy, and functional medicine principles with behavior-focused coaching.
Do you feel like you’re doing everything right, but your weight, energy, digestion, or blood sugar still aren’t where they should be? Many people I work with are frustrated. They’ve tried diets, seen specialists, and tried to be healthy, yet their body doesn’t respond the way it once did. Often the issue isn’t willpower. Your metabolism may simply need the right support. Together we make small, simple changes to the food & lifestyle choices you make daily—guided by science, & tailored to your body. My clients report sustainable weight loss, steadier energy, improved digestion, blood sugar balance, strong bones, & renewed confidence.
My approach combines clinical nutrition, medical nutrition therapy, and functional medicine principles with behavior-focused coaching.
Do you feel like you’re doing everything right, but your weight, energy, digestion, or blood sugar still aren’t where they should be? Many people I work with are frustrated. They’ve tried diets, seen specialists, and tried to be healthy, yet their body doesn’t respond the way it once did. Often the issue isn’t willpower. Your metabolism may simply need the right support. Together we make small, simple changes to the food & lifestyle choices you make daily—guided by science, & tailored to your body. My clients report sustainable weight loss, steadier energy, improved digestion, blood sugar balance, strong bones, & renewed confidence.
(914) 506-4781 View (914) 506-4781
Photo of Kelly Josephine Calabrese - Optimal Wellness Solutions, Nutritionist/Dietitian, MS, CCN
Optimal Wellness Solutions
Nutritionist/Dietitian, MS, CCN
Serves Area
As a Board Certified Clinical Nutritionist focused on holistic care, I help patients achieve lasting results by addressing the root causes of their health concerns. Through a comprehensive 80-marker blood test—which I co-developed with Quest Diagnostics—I identify key issues such as nutrient deficiencies, toxic exposures, hormonal imbalances, and immune and neurological deficits. This personalized approach allows us to tackle stress, lifestyle factors, and overall wellness from the inside out. I provide real solutions to real health problems for those seeking a natural, sustainable approach to health.
As a Board Certified Clinical Nutritionist focused on holistic care, I help patients achieve lasting results by addressing the root causes of their health concerns. Through a comprehensive 80-marker blood test—which I co-developed with Quest Diagnostics—I identify key issues such as nutrient deficiencies, toxic exposures, hormonal imbalances, and immune and neurological deficits. This personalized approach allows us to tackle stress, lifestyle factors, and overall wellness from the inside out. I provide real solutions to real health problems for those seeking a natural, sustainable approach to health.
(719) 259-1336 View (719) 259-1336
Photo of Donna Keeler - Nutrition Plan for You, LLC, Nutritionist/Dietitian, MNT
Nutrition Plan for You, LLC
Nutritionist/Dietitian, MNT
Broomfield, CO 80020
A nutrition plan doesn't mean you have to give up everything. (This seems to be the biggest fear when clients come in for an appointment.) Changing the way you eat can improve all kinds of health conditions, i.e.: asthma, an autoimmune condition, high cholesterol, fibromyalgia, fatty liver, non-alcoholic fatty liver, fertility issues, ADHD, low blood sugar, plantar fasciitis, pre-diabetes, diabetes, osteoarthritis, rheumatoid arthritis or other health issues. Don't wait for a health crisis in order to make a change in your nutrition. Receipts are provided for flex-spending reimburement. Medicare/other insurance not accepted.
A nutrition plan doesn't mean you have to give up everything. (This seems to be the biggest fear when clients come in for an appointment.) Changing the way you eat can improve all kinds of health conditions, i.e.: asthma, an autoimmune condition, high cholesterol, fibromyalgia, fatty liver, non-alcoholic fatty liver, fertility issues, ADHD, low blood sugar, plantar fasciitis, pre-diabetes, diabetes, osteoarthritis, rheumatoid arthritis or other health issues. Don't wait for a health crisis in order to make a change in your nutrition. Receipts are provided for flex-spending reimburement. Medicare/other insurance not accepted.
(720) 783-5615 View (720) 783-5615
Photo of Jennifer H Anderson, Nutritionist/Dietitian, RDN
Jennifer H Anderson
Nutritionist/Dietitian, RDN
Littleton, CO 80129
Our team includes two RD's a Functional Nurse Practitioner, Certified Health Coach, Personal Trainer and Yoga Instructor.
Hello! Are you struggling with disordered eating like Anorexia, Bulimia, Binge Eating, Yo-Yo Dieting or rigid food rules? I'm Jen and my team and I are passionate about helping people achieve genuine food freedom and dramatic health transformation. My specialty is helping clients discover a healthy relationship with food. I will teach you mindful and intuitive eating principles while thoughtfully addressing your health & weight concerns. Together we can get to the root & make sustainable lifestyle changes, all without sabotaging your joy of eating! My colleagues also address a broad range of health issues through this same lens!
Our team includes two RD's a Functional Nurse Practitioner, Certified Health Coach, Personal Trainer and Yoga Instructor.
Hello! Are you struggling with disordered eating like Anorexia, Bulimia, Binge Eating, Yo-Yo Dieting or rigid food rules? I'm Jen and my team and I are passionate about helping people achieve genuine food freedom and dramatic health transformation. My specialty is helping clients discover a healthy relationship with food. I will teach you mindful and intuitive eating principles while thoughtfully addressing your health & weight concerns. Together we can get to the root & make sustainable lifestyle changes, all without sabotaging your joy of eating! My colleagues also address a broad range of health issues through this same lens!
(720) 729-2273 View (720) 729-2273
Photo of Marlene Hillyer - Nabi Health, Nutritionist/Dietitian, MS, RDN, CEDS, CDCES, CLT
Nabi Health
Nutritionist/Dietitian, MS, RDN, CEDS, CDCES, CLT
1 Endorsed
Online Only
At Nabi, we provide weight-inclusive, trauma-informed care that values lived experience over rigid rules and we believe true healing begins when the whole person is seen—not just a diagnosis.
At Nabi, we provide weight-inclusive, trauma-informed care that values lived experience over rigid rules and we believe true healing begins when the whole person is seen—not just a diagnosis.
(206) 905-4812 View (206) 905-4812
Photo of Mary Bailey, Nutritionist/Dietitian, MScN, RD, LD
Mary Bailey
Nutritionist/Dietitian, MScN, RD, LD
Boulder, CO 80303
I specialize in eating disorders, gastrointestinal disorders, ADHD, mental health, and hormone health all through a functional nutrition lens.
Hello! As a dietitian part of the Essential Nutrition group practice, my approach to nutrition counseling is grounded in compassionate care and genuine connection, creating a safe and supportive space where you feel heard and understood. I aim to simplify the complexity of nutrition through education and ongoing support, helping you build confidence and a more sustainable relationship with food.
I specialize in eating disorders, gastrointestinal disorders, ADHD, mental health, and hormone health all through a functional nutrition lens.
Hello! As a dietitian part of the Essential Nutrition group practice, my approach to nutrition counseling is grounded in compassionate care and genuine connection, creating a safe and supportive space where you feel heard and understood. I aim to simplify the complexity of nutrition through education and ongoing support, helping you build confidence and a more sustainable relationship with food.
(720) 784-8021 View (720) 784-8021
Photo of Ellen Handlan, Nutritionist/Dietitian, RD
Ellen Handlan
Nutritionist/Dietitian, RD
1 Endorsed
Denver, CO 80218
My experience spans various settings including clinical inpatient, bariatric outpatient, kidney disease treatment, weight management, sports nutrition, and functional wellness.
As a practicing Registered Dietitian and Certified Nutrition Coach, I am focused on helping clients discover joy and inspiration while living a healthy lifestyle. My approach is highly personalized and emphasizes balance and moderation, as opposed to restriction and elimination. Together, we'll explore your lifestyle and habits, building a fully customized plan you feel confident succeeding with. I'll be there for you every step of the way, offering warm and enthusiastic support in a judgment-free and secure space.
My experience spans various settings including clinical inpatient, bariatric outpatient, kidney disease treatment, weight management, sports nutrition, and functional wellness.
As a practicing Registered Dietitian and Certified Nutrition Coach, I am focused on helping clients discover joy and inspiration while living a healthy lifestyle. My approach is highly personalized and emphasizes balance and moderation, as opposed to restriction and elimination. Together, we'll explore your lifestyle and habits, building a fully customized plan you feel confident succeeding with. I'll be there for you every step of the way, offering warm and enthusiastic support in a judgment-free and secure space.
(877) 379-5460 View (877) 379-5460