Cholesterol Nutritionists and Dietitians in London, ON

Photo of Saima Khan, Nutritionist/Dietitian, Saima, Khan, RD
Saima Khan
Nutritionist/Dietitian, Saima, Khan, RD
Online Only
If you’re feeling overwhelmed by nutrition information or struggling with managing chronic conditions such as diabetes, hypertension, high cholesterol, weight management, or digestive issues, you're in the right place.
I provide personalized meal plans and nutrition advice that take into account your unique needs, preferences, and cultural background. You’ll receive clear guidance and support to make informed choices, along with valuable tools such as meal plans, recipes, and dietary advice to support your journey.
If you’re feeling overwhelmed by nutrition information or struggling with managing chronic conditions such as diabetes, hypertension, high cholesterol, weight management, or digestive issues, you're in the right place.
I provide personalized meal plans and nutrition advice that take into account your unique needs, preferences, and cultural background. You’ll receive clear guidance and support to make informed choices, along with valuable tools such as meal plans, recipes, and dietary advice to support your journey.
(226) 400-1156 View (226) 400-1156
Photo of Noura Sheikhalzoor, Nutritionist/Dietitian, MSc, RD, CDE, CBE
Noura Sheikhalzoor
Nutritionist/Dietitian, MSc, RD, CDE, CBE
Serves Area
cholesterol
Managing your health shouldn't be adding stress to your life. I'm very passionate about nutrition, science, and food. I love practicality and ease with lifestyle changes. I offer one-on-one individualized sessions with understanding and practical tips and life applications, meal plan or meal ideas, tools and resources, check-ins, and tracking.
cholesterol
Managing your health shouldn't be adding stress to your life. I'm very passionate about nutrition, science, and food. I love practicality and ease with lifestyle changes. I offer one-on-one individualized sessions with understanding and practical tips and life applications, meal plan or meal ideas, tools and resources, check-ins, and tracking.
(289) 769-8705 View (289) 769-8705
Photo of Jenna Zaika, Nutritionist/Dietitian, BASc, RD
Jenna Zaika
Nutritionist/Dietitian, BASc, RD
London, ON N6H
My mission is to support you in finding ways to nourish your body AND your soul, while incorporating all of the foods that bring you joy. I use a warm, weight-inclusive, compassionate, and refreshing approach. If you have lost the joy of eating, are tired of restricting foods (especially the ones you love!), dieting, adhering to ‘food rules’, counting calories, weighing yourself, and doing exercises that you dread, it may be time to try a new and refreshing approach. Covered by many health benefit plans. We also now have a therapist on our team! Collaborative care can go a long way in helping to heal your relationship with food.
My mission is to support you in finding ways to nourish your body AND your soul, while incorporating all of the foods that bring you joy. I use a warm, weight-inclusive, compassionate, and refreshing approach. If you have lost the joy of eating, are tired of restricting foods (especially the ones you love!), dieting, adhering to ‘food rules’, counting calories, weighing yourself, and doing exercises that you dread, it may be time to try a new and refreshing approach. Covered by many health benefit plans. We also now have a therapist on our team! Collaborative care can go a long way in helping to heal your relationship with food.
(226) 407-7604 View (226) 407-7604
Photo of Kelsey Russell-Murray - Gut Healthy Dietitian, Nutritionist/Dietitian, RD, MSc, HBSc
Gut Healthy Dietitian
Nutritionist/Dietitian, RD, MSc, HBSc
1 Endorsed
London, ON N6K
Hello! Welcome to Gut Healthy Dietitian. With over a decade of experience in hospital and private practice, we have worked with all different conditions and nutrition concerns. Our approach is rooted in research and providing the most up-to-date evidenced-based nutrition recommendations. There is so much misleading nutrition advice available, especially about gut health, that it can easily become confusing and overwhelming. Let us work through misinformation and let you focus on making positive changes!
Hello! Welcome to Gut Healthy Dietitian. With over a decade of experience in hospital and private practice, we have worked with all different conditions and nutrition concerns. Our approach is rooted in research and providing the most up-to-date evidenced-based nutrition recommendations. There is so much misleading nutrition advice available, especially about gut health, that it can easily become confusing and overwhelming. Let us work through misinformation and let you focus on making positive changes!
(226) 840-9211 View (226) 840-9211
Photo of Jackie Silver, Nutritionist/Dietitian, MHSc, RD
Jackie Silver
Nutritionist/Dietitian, MHSc, RD
Online Only
Hello there! I’m Jackie and I see clients 1:1 in my virtual private practice. My populations of expertise include neurodivergent kids, teens, and adults (Autism Spectrum Disorder, ADHD, intellectual/developmental disabilities), and physically disabled folks (such as Spinal Cord Injury, Spina Bifida, Cerebral Palsy). I am passionate about tailoring nutrition recommendations to neurodiverse clients that focus on their strengths and abilities. I’ve worked with people of all ages and ability levels in achieving their health and nutrition goals with a weight-inclusive, neuro-affirming approach. I'd be thrilled to support you!
Hello there! I’m Jackie and I see clients 1:1 in my virtual private practice. My populations of expertise include neurodivergent kids, teens, and adults (Autism Spectrum Disorder, ADHD, intellectual/developmental disabilities), and physically disabled folks (such as Spinal Cord Injury, Spina Bifida, Cerebral Palsy). I am passionate about tailoring nutrition recommendations to neurodiverse clients that focus on their strengths and abilities. I’ve worked with people of all ages and ability levels in achieving their health and nutrition goals with a weight-inclusive, neuro-affirming approach. I'd be thrilled to support you!
(647) 496-6053 View (647) 496-6053
Photo of Eve Laws, Nutritionist/Dietitian, RD
Eve Laws
Nutritionist/Dietitian, RD
Online Only
Hi, I’m Eve! My approach with nutrition makes healthy eating feel approachable and realistic. I have over nine years of experience helping clients improve their health and relationship with food. I believe that food should be both nourishing and enjoyable, focusing on adding therapeutic, nutrient-dense foods rather than restricting. With a special interest in digestive health and medical nutrition therapy, I support clients who want to feel better in their bodies and use nutrition as a tool for health and self-care.
Hi, I’m Eve! My approach with nutrition makes healthy eating feel approachable and realistic. I have over nine years of experience helping clients improve their health and relationship with food. I believe that food should be both nourishing and enjoyable, focusing on adding therapeutic, nutrient-dense foods rather than restricting. With a special interest in digestive health and medical nutrition therapy, I support clients who want to feel better in their bodies and use nutrition as a tool for health and self-care.
(365) 363-7652 View (365) 363-7652
Photo of Emily Campbell - Emily Campbell/Kidney Nutrition, Nutritionist/Dietitian, MScFN, RD, CDE
Emily Campbell/Kidney Nutrition
Nutritionist/Dietitian, MScFN, RD, CDE
1 Endorsed
Online Only
I am a registered dietitian and certified diabetes educator who specializes in chronic kidney disease (CKD) and the owner of Kidney Nutrition. My team and I at Kidney Nutrition help those with CKD overcome the confusing world of nutrition so they can improve their kidney function.
I am a registered dietitian and certified diabetes educator who specializes in chronic kidney disease (CKD) and the owner of Kidney Nutrition. My team and I at Kidney Nutrition help those with CKD overcome the confusing world of nutrition so they can improve their kidney function.
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Photo of Julie Mancuso - JM Nutrition, Nutritionist/Dietitian, RD
JM Nutrition
Nutritionist/Dietitian, RD
Serves Area
JM Nutrition offers personalized nutritional counselling by a team of leading registered dietitians and nutritionists, each with own areas of expertise and specialization. JM Nutrition offers a full range of services. Free consultation.
JM Nutrition offers personalized nutritional counselling by a team of leading registered dietitians and nutritionists, each with own areas of expertise and specialization. JM Nutrition offers a full range of services. Free consultation.
(343) 501-0764 View (343) 501-0764
Photo of Nicole Tanya Otto - Nicky Otto Dietetics, Nutritionist/Dietitian, BSc, BSc FN, RD
Nicky Otto Dietetics
Nutritionist/Dietitian, BSc, BSc FN, RD
1 Endorsed
Online Only
Are you struggling with all-consuming thoughts about what to eat, what not to eat, how it will make you feel, look and thoughts about your body? Are you constantly telling yourself you will eat cleaner tomorrow or feeling stressed and guilty when it comes to eating? Are you stuck on a never-ending cycle of dieting and binge eating or feel that food runs your life? Think you may have an eating disorder? Are you feeling burnt-out by mid-afternoon or that you don't have any energy for things that bring you joy? Have you read about others acheiveing food freedom, finding peace with food or intuitive eating? I am here to help!
Are you struggling with all-consuming thoughts about what to eat, what not to eat, how it will make you feel, look and thoughts about your body? Are you constantly telling yourself you will eat cleaner tomorrow or feeling stressed and guilty when it comes to eating? Are you stuck on a never-ending cycle of dieting and binge eating or feel that food runs your life? Think you may have an eating disorder? Are you feeling burnt-out by mid-afternoon or that you don't have any energy for things that bring you joy? Have you read about others acheiveing food freedom, finding peace with food or intuitive eating? I am here to help!
(902) 903-2583 View (902) 903-2583
Photo of Michaela Harron, Nutritionist/Dietitian, RD
Michaela Harron
Nutritionist/Dietitian, RD
Serves Area
Hi, I’m Michaela! I understand how overwhelming it can feel to manage the stress that often surrounds food choices, and I’m here to help you build a healthier, more balanced relationship with eating. Whether you’re struggling with digestive issues like IBS, managing disordered eating, or navigating weight concerns, my goal is to provide personalized, practical strategies that empower you to feel in control of your well-being.
Hi, I’m Michaela! I understand how overwhelming it can feel to manage the stress that often surrounds food choices, and I’m here to help you build a healthier, more balanced relationship with eating. Whether you’re struggling with digestive issues like IBS, managing disordered eating, or navigating weight concerns, my goal is to provide personalized, practical strategies that empower you to feel in control of your well-being.
(365) 536-1605 View (365) 536-1605
Photo of Chantal Hayes, Nutritionist/Dietitian, RD
Chantal Hayes
Nutritionist/Dietitian, RD
1 Endorsed
Serves Area
Do you feel like you’re drowning in a sea of diet culture or at war with your body? Have you lost count of all your external food rules? If you’ve been thinking about getting off the diet rollercoaster but aren't sure how to go about it, I’m so glad you’re here. I would be honored and grateful to guide you back to your intuitive roots, to deeply nourish your body, mind, and soul. If you want to start listening to your internal cues and break free from the deprivation and guilt cycle, let's work together towards making you feel empowered and liberated from the constant stress and anxiety associated with dieting.
Do you feel like you’re drowning in a sea of diet culture or at war with your body? Have you lost count of all your external food rules? If you’ve been thinking about getting off the diet rollercoaster but aren't sure how to go about it, I’m so glad you’re here. I would be honored and grateful to guide you back to your intuitive roots, to deeply nourish your body, mind, and soul. If you want to start listening to your internal cues and break free from the deprivation and guilt cycle, let's work together towards making you feel empowered and liberated from the constant stress and anxiety associated with dieting.
(548) 639-2145 View (548) 639-2145

More Dietitians and Nutritionists Nearby

Photo of Allison Dobbyn, Nutritionist/Dietitian, MAN, RD
Allison Dobbyn
Nutritionist/Dietitian, MAN, RD
Online Only
I am a registered dietitian, long distance runner and mom of 2 ADHD kids. I am in the trenches with you and I know how hard it is to prioritize nutrition amongst all the chaos life brings! I am here to help you make the best food choices for your adult ADHD, fuelling for your next marathon or managing your perimenopause.
I am a registered dietitian, long distance runner and mom of 2 ADHD kids. I am in the trenches with you and I know how hard it is to prioritize nutrition amongst all the chaos life brings! I am here to help you make the best food choices for your adult ADHD, fuelling for your next marathon or managing your perimenopause.
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Online Dietitians and Nutritionists

Photo of Jackie Vykoukal, Nutritionist/Dietitian, RD, MHSc
Jackie Vykoukal
Nutritionist/Dietitian, RD, MHSc
Oakville, ON L6H
My areas of focus include digestive health (IBS, GERD, colitis, diverticulitis), plant-based nutrition, intuitive eating, cholesterol + blood pressure management and meal planning.
Understanding a new diagnosis and navigating conflicting nutrition information online can feel overwhelming. As a registered dietitian, I take the time to hear your story and learn about what you are looking to gain on your wellness journey. When working together, I also take into consideration dietary preferences, lifestyle and culture to provide recommendations specifically tailored for you. We will collaborate together to create a practical nutrition plan that will leave you with the tools and confidence for long-term, sustainable success.
My areas of focus include digestive health (IBS, GERD, colitis, diverticulitis), plant-based nutrition, intuitive eating, cholesterol + blood pressure management and meal planning.
Understanding a new diagnosis and navigating conflicting nutrition information online can feel overwhelming. As a registered dietitian, I take the time to hear your story and learn about what you are looking to gain on your wellness journey. When working together, I also take into consideration dietary preferences, lifestyle and culture to provide recommendations specifically tailored for you. We will collaborate together to create a practical nutrition plan that will leave you with the tools and confidence for long-term, sustainable success.
(226) 910-1222 View (226) 910-1222
Photo of Cbt Wellness Virtual Services - CBT Wellness & Virtual Services, Nutritionist/Dietitian, RD
CBT Wellness & Virtual Services
Nutritionist/Dietitian, RD
4 Endorsed
Online Only
Is your goal to lower your high blood sugar, blood pressure, cholesterol or weight?
Our dietitians have experience working with infants, children, teenagers, adults & seniors with a variety of issues like weight loss/gain, diabetes, digestive issues, infant feeding, picky eating, eating disorders, high cholesterol, allergies/dietary restrictions/concerns, vegan/vegetarian diets, celiac disease, diabetes, prenatal/pregnancy/post partum etc.
Is your goal to lower your high blood sugar, blood pressure, cholesterol or weight?
Our dietitians have experience working with infants, children, teenagers, adults & seniors with a variety of issues like weight loss/gain, diabetes, digestive issues, infant feeding, picky eating, eating disorders, high cholesterol, allergies/dietary restrictions/concerns, vegan/vegetarian diets, celiac disease, diabetes, prenatal/pregnancy/post partum etc.
(289) 302-6726 View (289) 302-6726
Photo of Julia Petrakis, Nutritionist/Dietitian, NP
Julia Petrakis
Nutritionist/Dietitian, NP
2 Endorsed
Online Only
Julia Specializes in the following: Women's Health, Fertility Health (female & male) Pediatrics (well baby assessment, failure to thrive, allergies), Chronic Disease Management (Diabetes, Cholesterol, Blood Pressure, Kidney Disease etc
Hey, I am Julia a Nurse Practitioner, Psychotherapist and Holistic Nutritionist. I started my career in pediatrics, transitioned to a trauma unit, spending nearly a decade there before focusing on primary and women’s care as a nurse practitioner. My own experiences with an autoimmune disease and infertility has made me very passionate ab out holistic women’s care. After becoming a mother, I also noticed a gap in postpartum care. With my experience I offer a full body, functional medicine approach with a speciality in Women’s Health, Fertility Health and Pediatrics (well baby assessment, failure to thrive, allergies).
Julia Specializes in the following: Women's Health, Fertility Health (female & male) Pediatrics (well baby assessment, failure to thrive, allergies), Chronic Disease Management (Diabetes, Cholesterol, Blood Pressure, Kidney Disease etc
Hey, I am Julia a Nurse Practitioner, Psychotherapist and Holistic Nutritionist. I started my career in pediatrics, transitioned to a trauma unit, spending nearly a decade there before focusing on primary and women’s care as a nurse practitioner. My own experiences with an autoimmune disease and infertility has made me very passionate ab out holistic women’s care. After becoming a mother, I also noticed a gap in postpartum care. With my experience I offer a full body, functional medicine approach with a speciality in Women’s Health, Fertility Health and Pediatrics (well baby assessment, failure to thrive, allergies).
(365) 398-6587 View (365) 398-6587
Photo of Theresa Silverthorn, Nutritionist/Dietitian, RD
Theresa Silverthorn
Nutritionist/Dietitian, RD
3 Endorsed
Mississauga, ON L5W
This includes introducing solids and management of chronic conditions such as diabetes, hypertension, and high cholesterol.
Accepting NEW patients. I have immediate availability for daytime & evening appointments. Whether you’re a new mom navigating the world in an unfamiliar body, a parent looking to support their child with healthy habits, an adolescent looking to expand or improve their diet, or an adult ready to break free of the constant yo-yo dieting-I can help. It’s never too early or too late to focus on your relationship with food to create sustainable habits that support your entire well-being – physical, mental and emotional health. I have extensive experience treating binge-eating disorder, anorexia nervosa, bulimia nervosa & ARFID.
This includes introducing solids and management of chronic conditions such as diabetes, hypertension, and high cholesterol.
Accepting NEW patients. I have immediate availability for daytime & evening appointments. Whether you’re a new mom navigating the world in an unfamiliar body, a parent looking to support their child with healthy habits, an adolescent looking to expand or improve their diet, or an adult ready to break free of the constant yo-yo dieting-I can help. It’s never too early or too late to focus on your relationship with food to create sustainable habits that support your entire well-being – physical, mental and emotional health. I have extensive experience treating binge-eating disorder, anorexia nervosa, bulimia nervosa & ARFID.
(289) 271-3480 View (289) 271-3480
Photo of Norine Khalil, Nutritionist/Dietitian, MSc, RD
Norine Khalil
Nutritionist/Dietitian, MSc, RD
Oakville, ON L6H
I have a strong passion for supporting those with complications in the areas of: blood sugar, cholesterol, blood pressure, low energy, sports nutrition, and disordered eating.
If you've been struggling with feeling okay, but wanting to feel great, you've come to the right place. Hello! My name is Norine and I'm a Registered Dietitian and nutrition consultant. I have a strong passion for supporting those who are struggling with creating a personalized version of "healthy eating" in finding their happy place with food. Whether you're struggling with a recently diagnosed chronic disease, going through a life transition, or feeling a complete lack of energy and motivation, my goal is to support you on a path to better health.
I have a strong passion for supporting those with complications in the areas of: blood sugar, cholesterol, blood pressure, low energy, sports nutrition, and disordered eating.
If you've been struggling with feeling okay, but wanting to feel great, you've come to the right place. Hello! My name is Norine and I'm a Registered Dietitian and nutrition consultant. I have a strong passion for supporting those who are struggling with creating a personalized version of "healthy eating" in finding their happy place with food. Whether you're struggling with a recently diagnosed chronic disease, going through a life transition, or feeling a complete lack of energy and motivation, my goal is to support you on a path to better health.
(289) 302-0467 View (289) 302-0467
Photo of Vanessa Hurley - CBT Wellness & Virtual Services, Nutritionist/Dietitian, RD
CBT Wellness & Virtual Services
Nutritionist/Dietitian, RD
1 Endorsed
Online Only
Is your goal to lower your high blood sugar, blood pressure, cholesterol or weight?
We love working with individuals across the lifespan & have experience with chronic disease prevention (diabetes, heart health, cancer), women’s health (pregnancy, fertility, PCOS, menopause), infant/child/teen health (introduction to solids, feeding relationship, selective eating), special dietary restrictions, allergies/intolerances & digestive concerns.
Is your goal to lower your high blood sugar, blood pressure, cholesterol or weight?
We love working with individuals across the lifespan & have experience with chronic disease prevention (diabetes, heart health, cancer), women’s health (pregnancy, fertility, PCOS, menopause), infant/child/teen health (introduction to solids, feeding relationship, selective eating), special dietary restrictions, allergies/intolerances & digestive concerns.
(289) 312-3565 View (289) 312-3565
Photo of Lisamarie Karlson, Nutritionist/Dietitian, RD
Lisamarie Karlson
Nutritionist/Dietitian, RD
8 Endorsed
Online Only
My expertise includes plant-based diets and: weight loss, meal planning, habit changes, sports nutrition, menopause, balanced nutrition, vitamins & mineral deficiency, pregnancy, lactation, family & pediatric nutrition, digestive issues, IBS, PCOS, diabetes, hypertension, cholesterol, eating disorders, intuitive eating, anti-inflammatory nutrition and more!
I am a vegan dietitian specializing in plant-based nutrition and have been living this lifestyle for over 10 years. I am part of Plant-Based Dietitians Ltd, where we provide online consultations for those interested in plant-based, vegetarian, or vegan diets. I assist individuals in Ontario in improving their health and achieving their goals. I offer a complimentary 20-minute introductory call (available through phone or Zoom). Just send an email, and my customer support team will give you the booking link. Alternatively, you can directly schedule a session via our website.
My expertise includes plant-based diets and: weight loss, meal planning, habit changes, sports nutrition, menopause, balanced nutrition, vitamins & mineral deficiency, pregnancy, lactation, family & pediatric nutrition, digestive issues, IBS, PCOS, diabetes, hypertension, cholesterol, eating disorders, intuitive eating, anti-inflammatory nutrition and more!
I am a vegan dietitian specializing in plant-based nutrition and have been living this lifestyle for over 10 years. I am part of Plant-Based Dietitians Ltd, where we provide online consultations for those interested in plant-based, vegetarian, or vegan diets. I assist individuals in Ontario in improving their health and achieving their goals. I offer a complimentary 20-minute introductory call (available through phone or Zoom). Just send an email, and my customer support team will give you the booking link. Alternatively, you can directly schedule a session via our website.
(437) 800-2542 View (437) 800-2542
Photo of Monica Szeliga, Nutritionist/Dietitian, RD
Monica Szeliga
Nutritionist/Dietitian, RD
1 Endorsed
Burlington, ON L7T
If you are looking to make dietary changes to manage your blood sugar or cholesterol levels, digestive symptoms, relationship with food, or just overall eating patterns, we can work together on goals that work for you, your lifestyle and your budget.
I am a Registered Dietitian who specializes in chronic disease prevention and management, working with clients to make dietary improvements that are realistic, sustainable and tailored to individuals' needs.
If you are looking to make dietary changes to manage your blood sugar or cholesterol levels, digestive symptoms, relationship with food, or just overall eating patterns, we can work together on goals that work for you, your lifestyle and your budget.
I am a Registered Dietitian who specializes in chronic disease prevention and management, working with clients to make dietary improvements that are realistic, sustainable and tailored to individuals' needs.
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Cholesterol Nutritionists and Dietitians

What is cholesterol?

Cholesterol is a fat-like substance found in the blood that is essential for forming healthy cells and ensuring regular body functions. Although cholesterol often has a negative reputation, it plays a crucial role in our health. There are several types of cholesterol, including low-density lipoprotein (LDL) and high-density lipoprotein (HDL). The balance between these types is more important than eliminating cholesterol entirely. In general HDL is considered to be the "good" form of cholesterol, while LDL is considered to be the "bad" form associated with conditions such as cardiovascular diseases. Individuals with high levels of LDL cholesterol circulating in their blood are at an increased risk of heart attack and stroke, as a result of plaque build-up on the interior of the body's arteries.

How does diet affect cholesterol?

While many individuals with high cholesterol are prescribed medications to help lower their levels, lifestyle changes—especially dietary modifications—are considered the first line of treatment. Reducing the consumption of foods high in saturated and trans fats, such as fatty meats, cream, butter, and pastries, helps lower cholesterol. Conversely, consuming sufficient fiber, healthy fats (like those found in salmon and nuts), and low-fat proteins can help lower LDL levels and improve cardiovascular health.

What diet is best if you have high cholesterol?

In general, experts recommend a plant-based diet high in fiber, healthy fats, and lean protein as the best nutrition approach to lowering blood cholesterol levels. The "Mediterranean diet," characterised by the consumption of lots of healthy fats, vegetables, beans, and whole grains is one common diet with abundant evidence supporting its efficacy in reducing blood cholesterol levels and preventing cardiovascular and metabolic diseases. The Dietary Approaches to Stop Hypertension (DASH) diet is another common diet shown to reduce cholesterol levels; the DASH diet emphasizes the consumption of fruits, vegetables, whole grains, and low fat dairy products with a particular focus on reducing the consumption of saturated fats. Conversely, diets that include the consumption of large amounts of protein and fats—such as the keto diet and atkins diet—are generally not recommended for those with high cholesterol levels due to the high levels of saturated and trans fats that such diets can include.

Why is it useful to see a dietitian if you have high cholesterol?

Dietitians are specifically trained to use diet modifications to manage health, so consulting a dietitian if you have high cholesterol can be greatly beneficial. They can help construct a diet that lowers cholesterol and promotes a healthier lifestyle. Dietitians can assist clients in identifying foods that are low in cholesterol and those that support overall health. They can also help hold clients accountable for their nutrition and provide resources for other lifestyle modifications that support blood cholesterol reduction, such as exercise, smoking cessation, and alcohol consumption reduction. Additionally, dietitians can assist in managing other chronic diseases often associated with high cholesterol, such as kidney conditions, diabetes, and heart disease.