It’s About Biology, Not Willpower. And I’m Here to Help.

If you’ve felt frustrated by yo-yo diets or the constant “food noise” in your head, you are not alone. For over 20 years, my passion and life’s work has been to help patients understand that the struggle with weight is often biochemical—a complex interplay of hormones, brain chemistry, and metabolic health.
As a double board-certified specialist in Obesity Medicine, I use a comprehensive, science-backed approach that goes far beyond just diet and exercise. My team and I look at the whole picture: we perform comprehensive lab tests, analyze your body composition, and review your medical history to understand your unique metabolic challenges

A Proven Approach Combining Medical Expertise and Compassionate Care

Unlike anonymous online platforms, our clinic provides a complete support system. My role is to serve as your medical expert, customizing the safest and most effective plan for you, which may include cutting-edge FDA-approved medications like Wegovy® and Zepbound® to regulate metabolic function and reduce hunger.

But medication is just one tool. True, lasting success comes from a comprehensive plan that includes personalized nutrition from our Registered Dietitians, behavioral support, and the education you need to maintain your results for life. My team and I are here to guide you with a plan that is medically sound, and we will be your partners, providing encouragement and accountability every step of the way.

What Our Patients Say About Dr. Lazarus

4.7
Based on 27 reviews
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  • I have been with CNC for 4 years. I started weighing 302 lbs, having suffered 26 surgeries and endured 22 years in law enforcement. Needless to say, when… read more

    Michael Wagner Avatar Michael
    September 25, 2025

    Cannot say enough about Clinical Nutrition. Their staff truly cares. I tried everything prior and I would yo-yo. I have lost 75 lbs with them and have kept it off… read more

    Nikki Avatar Nikki
    September 24, 2025

    Very good experience with the staff and nutritionist. I’ve taken very good care of me and help me lose significant weight over the past several years.

    Steve Mark Avatar Steve
    September 23, 2025
  • The staff at clinical nutrition center are very knowledgeable, empathetic, professional and supportive. I like that they are realistic with information, guidance and setting goals. They educate you … read more

    Chris Barnett Avatar Chris
    August 13, 2025

    In the world of medical weight loss, I want to share what makes CNC stand out… You won’t find a place with more qualified, experienced and compassionate professionals to… read more

    Erin Winchester Avatar Erin
    April 7, 2025

    I highly recommend Clinical Nutrition Center if you are considering a weight loss journey. I have lost 54 lbs using a GLP1 medication. They have provided me with… read more

    Annette Jones Avatar Annette
    December 24, 2024
  • Dr. Lazarus and his team go above and beyond to provide exceptional care. He is the best doctor I’ve ever had.

    Stephanie Griffin Avatar Stephanie
    December 23, 2024

    I started with the Clinical Nutrition Center the end of February after being told I needed to lose weight before I could get my knee replacement surgery! After starting with… read more

    Cindi Maestas Avatar Cindi
    December 23, 2024

    Dr. Lazarus is phenomenal. He is an expert across obesity treatments so he is able to find solutions that work for my individual (and changing) circumstances. I have learned so… read more

    Mary Davis Avatar Mary
    December 20, 2024
  • Visited the Clinical Nutrition Center in Denver and can’t praise Dr. Lazarus and his team enough. Their genuine approach to understanding individual challenges and crafting tailored solutions was a game-changer… read more

    Brady S Avatar Brady
    August 14, 2023

    I researched a couple weight loss clinics and I am so glad I landed at CNC. Heather has been beyond helpful, responsive, and compassionate in every way possible. … read more

    Christine Storck Avatar Christine
    August 9, 2023

    A Gregory Avatar A
    February 1, 2023
  • I had been to several Denver area weight loss clinics prior to this one and there is just no comparison. Dr. Ethan Lazurus and his entire staff are helpful, kind,… read more

    Dene Kelly Avatar Dene
    September 8, 2021

    I called Dr Lazarus in the middle of the pandemic convinced I had an eating disorder at 69!!!!! He quickly had me understanding that my weight gain and binge… read more

    Vicki Johnson Avatar Vicki
    August 30, 2021

    I have been going to CNC for almost 13 years! I can’t say enough good things about them. Dr. Lazarus and his team have always been professional and caring. If… read more

    Nicole Purvis Avatar Nicole
    August 15, 2021
  • Dr. Lazarus and his staff, including Susan Ellis, are exceptional. They tailor each program to the individual and you are never made to feel guilty. They do what… read more

    Ptarmigan Emery Avatar Ptarmigan
    February 2, 2021

    angela fitch Avatar angela
    January 29, 2021

    Dr. Lazarus and staff are the best. It is not a fad diet. It is medically sound and overseen by the best in the business. I… read more

    Patricia Modica Avatar Patricia
    January 27, 2021
  • Dr. Lazarus is the best! He is a national expert on all things obesity. When my patients move to Denver, I refer them without hesitation to him, and they… read more

    Rob Ziltzer Avatar Rob
    January 26, 2021

    Dr. Lazzarus, Susan and the front office staff are great! I started at CNC in October 2020 due to weight loss needs before my knee replacement. Dr. L is so… read more

    Sheri Bryant Avatar Sheri
    January 26, 2021

    The store at the Clinical Nutrition Center is very convenient for picking up the food items I need to support my program with Dr. Lazarus. After the excellent check in,… read more

    Nancy Owen Avatar Nancy
    March 30, 2020
  • Lee Kidder Avatar Lee
    August 15, 2018

    Love it here!

    Kori Penaloza Avatar Kori
    August 15, 2018

    Charlene Endsley-Burge Avatar Charlene
    August 15, 2017
  • Caring and compassionate. Always encouraging. more than a weight loss clinic. It is about losing weight to be the healthiest happier you.

    Dana Turner Avatar Dana
    August 15, 2017

My Commitment to You

My mission is to provide the highest level of care in the field of obesity medicine. Whether you need to lose 20 pounds or more than 100, I am committed to using every evidence-based tool available to help you improve your health, feel better, and rediscover a zest for life. You don’t have to do this alone.

Are you ready to take the next step?

Your journey to lasting health starts with a simple conversation. Let’s work together to create a customized plan that finally works for you.

*Your free visit can be with one of our Providers or Registered Dietitians. We will answer all of your questions, explain our programs and fees, and figure out if this is a good fit. This can be done in-person, or by phone or video. There are no obligations for this visit. This free visit is only for potential new patients. We are only able to provide care within Colorado.

By the Numbers

  • Over 20 Years of Specialized Experience
  • Helping Thousands of Patients in the Denver Area
  • Past President of the Nation’s Leading Obesity Medicine Association
  • Nationally Recognized Expert and Speaker on Obesity Medicine

More information on Dr. Lazarus