Diane Brzezinski, D.O. FACOI

Call for an appointment | 239.261.9990

Medical Weight Loss

Dr. B – Trusted Weight Loss Doctors in Naples

Medical weight loss naples fl

Dr. Brzezinski, is one of the most highly experienced and trusted medical weight loss doctors in Naples, FL. Her internal medicine practice offers several effective weight loss programs including Dr. Siegal’s meal replacement “cookie diet”, Prolon Weight Loss which simulates prolonged fasting, and weight loss medication.

“Today, with obesity at epidemic proportions, everyone is thinking about weight loss and nutrition. As a board certified physician with a large internal medicine practice as well as a weight loss program, I have this conversation many times a day.”

Let’s face it, we all know how to eat. It just seems as if we need a push in the right direction. Our physician-supervised program is designed to do just that, and it can help you lose significant weight every month.

The “Cookie Diet” Meal Replacement Program

We use the proven “Siegal System” of meal replacement to help patients reach their goals. While we still offer the classic meal replacement cookies of Dr. Siegal’s highly successful “cookie diet”, we now offer a variety of different meal replacement options to suit each patient’s needs and tastes. In some cases when it is deemed necessary, we can help to accelerate your weight loss success with the use of weight loss medication.

A study published in the New England Journal of Medicine found that eliminating 750 calories per day is a successful way to lose weight and maintain weight loss. Along with meal replacement, another great way to do this is by tracking daily food intake and activity. Our patients know that Dr. B will sit down and review their “food diaries” with them. Being accountable to someone other than ourselves makes it easier to stay focused.

plans for medical weight loss medication and diet

Using this multi-faceted approach including accountability, meal replacement, and in some cases weight loss medication, Dr. B can get you on the path to your ideal weight quickly and effectively.

If you are interested in medical weight loss in Naples, FL, or to see if weight loss medication is right for you, please call our office today at 239-261-9990 (ask for Camille at ext 102). We have a special rate for new patients to help you get started today.

Introducing The Prolon
Weight Loss Program

Prolon medical weight loss medication alternative

A diet program that mimics fasting for five days of each month, ProLon Weight Loss Professional has been clinically proven to enhance overall health while shedding abdominal fat. Dr. Brzezinski now offers this exciting new dietary program to her Naples, Florida-area internal medicine patients.

Unbelievable Results

ProLon’s® health and medical weight loss benefits are supported by more than 20 years of meticulous research and stellar results achieved in both pre-clinical and clinical trials, making it highly trusted by weight loss doctors. In addition to firmly boosting cardiovascular and metabolic health, a three-month session of ProLon® Professional produced on average:

  • 7 pounds of weight loss, primarily of abdominal fat
  • 4% reduction in body mass index (BMI)
  • Waist circumference reduction of 1.6 inches
  • 6% reduction of abdominal fat in those with BMIs greater than 25
  • Preservation of lean body mass
medical weight loss patient


ProLon® Professional is a dietary program designed to generate the weight loss and health benefits of water-only fasting while still allowing your body to absorb healthy nutrients. ProLon’s® Fasting Mimicking Diet® utilizes a five-day meal program with precisely measured micro and macronutrients. Your body will not recognize these scientifically researched nutrients as food, which will allow it to go into a fasting state.
prolon weight loss patients

Fasting has been practiced by numerous cultures and religions throughout history, but its potential health-boosting benefits are only now becoming understood. In recent years, researchers have identified numerous health benefits from fasting, including:

  • Lowered blood pressure
  • Decreased triglyceride and cholesterol levels
  • Boost in human growth hormone levels
  • Improved blood sugar levels
  • Decreased inflammation
  • Enhanced metabolic function
  • Improved cognitive function
  • Cellular rejuvenation
  • Weight loss

Fasting is not easy. ProLon’s® plant-based nutritional meals help surmount the difficulties of fasting while delivering healthy nourishment. Meanwhile, your bodily systems have been “tricked” into a fasting state, which provides its own unique health benefits. In fact, research shows that a five-day per month session of ProLon Weight Loss Professional can provide many of the same benefits as a daily, heart-healthy diet when conducted on at least three consecutive monthly cycles. 


Researchers at the Longevity Institute at the University of Southern California have been studying the nutritional theories underlying ProLon’s® effectiveness and safety for more than two decades before offering their system to weight loss doctors. Supported by almost $50 million in grant funding, the research has proven the ProLon® Professional program safe with more than 220,000 user experiences. Research also proved the effectiveness of ProLon® in helping users lose weight and boost overall health. One clinical study further demonstrated that the majority of health benefits were maintained for three months after completion of a three month ProLon® cycle. ProLon® has currently been issued five patents out of 19 filed to cover a variety of wellness benefits.


ProLon® Professional is designed to work easily into your day-to-day life. For a designated five days of each month, you have to commit yourself to eating only the Prolon® meals. This is less disruptive to the day-to-day routine than fasting, as the meals help stave off hunger. ProLon Weight Loss meals are individually packaged for each day and include plant-based energy bars, soups, assorted snacks, drinks, and supplements. These foods will not be recognized as such by your body, allowing it to go into a fasting state. Meanwhile, the foods themselves are optimized to provide nourishment, cellular rejuvenation, and healthy levels of metabolic markers.      

medical weight loss patient exercising


Dr. B joins more than 12,000 other medical weight loss doctors in 13 countries who now offer ProLon® Professional to their patients. With its numerous health benefits, Dr. B believes ProLon® Professional fits in well with her holistic-driven approach to treat the whole patient rather than specific conditions. Dr. B is excited about offering this new dietary program to her Naples, Florida-area patients and would be glad to discuss how ProLon® Professional might help you. To learn more about ProLon® Professional with Dr. B’s internal medicine practice contact her today at (239) 261-9990.

diva laser vaginal therapy

Do You Suffer from Painful Intercourse or Urinary Incontinence?

diVa™ Laser Vaginal Therapy can help improve a woman’s self-esteem and quality of life. Don’t settle or suffer from declining vaginal health. diVa™ Laser Vaginal Therapy is a quick, comfortable, no downtime solution to women’s most intimate challenges*. 
*Treatment results, as well as ease and comfort of the patient during treatment, may vary.

Fit2Me is a FREE Type 2 Diabetes Program that’s custom fit for you.

With activities and recipes chosen just for you, we provide you the tools to build meals and activity plans, including ways to trade off excess calories with additional activity. Fit2Me can also be used to choose fun activities that work with your schedule, keep track of doctor visits, and explore treatment information.
fit2me type 2 diabetes program naples fl

Fit2Me has 4 areas: My Food, My Activity, My Treatment Support, and My Plan Team.


(239) 261-9990

Dr. Brzezinski Naples FL Internal Medicine Logo


Follow Us On Social Media