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Changing lives with weight loss since 1984

OPTITRIMMD COMPLETE®

A comprehensive, medically guided weight loss program designed to support safe, sustainable weight loss through structured nutrition, clinical guidance, and lifestyle coaching.

Frequently asked questions

What is the OptitrimMD program?

OptitrimMD is our enhanced, medically supervised weight-loss program built on the OPTIFAST meal-replacement foundation, with a full medical work-up, coaching, and optional physician-prescribed medication.

How is OptitrimMD different from OPTIFAST alone?

It keeps the proven meal-replacement structure and adds medical monitoring, behavioral support, and modern options such as GLP-1 therapy when appropriate.

Who is OptitrimMD for?

Adults seeking a structured, physician-supervised path to meaningful weight loss. Candidacy is determined at your consultation.

How do I get started?

Call (708) 485-4050 to schedule a consultation at one of our four Illinois locations.

OPTITRIMMD COMPLETE®

OptitrimMD Complete is a medically supervised weight loss program at ThinfastMD designed for patients who want more than just short-term results. This program combines structured nutrition, clinical support, and personalized lifestyle guidance to help you lose weight safely and build habits that last.

Unlike standard diet plans, OptitrimMD Complete focuses on both effective weight loss and long-term success. With support from our medical team, patients receive guidance, accountability, and a plan tailored to their individual needs.

  • Medically supervised weight loss support
  • Structured nutrition plan
  • Personalized lifestyle and behavior coaching
  • Ongoing monitoring and progress tracking
  • Designed for sustainable, long-term results

OptitrimMD Complete is designed to provide a more complete and supportive weight loss experience for patients who want structure, guidance, and lasting success.

Learn More

Optitrim Complete is built on a structured and clinically guided approach to weight loss, helping patients achieve meaningful results while maintaining their overall health and well-being.

Every patient’s journey is supported by a dedicated medical team that provides guidance, monitoring, and adjustments based on individual progress. This ensures that each step of the program is safe, effective, and tailored to your specific needs.

Personalized for You
No two patients are the same. That’s why Optitrim Complete is designed to adapt to your lifestyle, health condition, and weight loss goals. Your plan evolves as you progress, ensuring continued success throughout your journey.

  • Customized plans based on your health and goals
  • Adjustments based on progress and results
  • Support tailored to your lifestyle and routine

Clinically Supported Results
With ongoing monitoring and professional supervision, patients can feel confident knowing their progress is guided by experienced medical professionals. This level of support helps minimize risks while maximizing results.

  • Regular check-ins and progress tracking
  • Guidance from experienced medical professionals
  • Safe and structured weight loss process

Built for Long-Term Success
Optitrim Complete focuses not only on helping you lose weight, but also on helping you maintain your results. By building sustainable habits and providing continuous support, the program helps patients achieve lasting lifestyle changes.

Our goal is to help you feel confident, in control, and supported every step of the way.

OPTITRIMMD

OptitrimMD Complete uses a structured approach to help patients stay consistent and confident throughout their journey. The program is designed to simplify daily decisions while giving patients the support they need to stay on track.

Whether you are just beginning your weight loss journey or looking for a more guided system, this program offers a clear path forward with medical supervision and personalized support.

  • Clear and manageable program structure
  • Support with consistency and accountability
  • Guidance from experienced medical professionals
  • Personalized recommendations based on your goals
  • A program built around long-term success

With OptitrimMD Complete, patients receive the support and structure needed to make meaningful progress while building healthier routines over time.

Learn More

Optitrim Complete is a comprehensive, medically supervised weight loss program designed to guide patients through every stage of their journey—from initial weight loss to long-term maintenance.

The program combines structured nutrition, clinical monitoring, and lifestyle coaching to ensure that patients not only lose weight effectively, but also build sustainable habits that support long-term success.

What to Expect
Each patient begins with a personalized consultation where our medical team evaluates your current health, lifestyle, and weight loss goals. Based on this, a customized plan is created to help you achieve safe and consistent results.

  • Initial consultation and health assessment
  • Personalized weight loss plan
  • Ongoing medical supervision and progress tracking
  • Guidance on nutrition, behavior, and lifestyle habits

Support Every Step of the Way
Throughout the program, patients receive continuous support from experienced professionals. Regular check-ins help ensure progress is maintained while addressing any challenges along the way.

This level of support helps patients stay accountable, motivated, and confident throughout their weight loss journey.

Focused on Long-Term Success
Unlike short-term diet programs, Optitrim Complete emphasizes long-term results. Patients are guided through a structured transition phase and supported in developing habits that prevent weight regain.

Our goal is not only to help you lose weight—but to help you maintain your results and improve your overall health and quality of life.

FLEX PROGRAM

OptitrimMD Complete is designed to work with your real-life schedule. The FLEX Program allows patients to follow a structured plan during the week while maintaining flexibility on weekends, making it easier to stay consistent without feeling restricted.

During the week, patients may follow a more structured nutrition plan to support effective weight loss. On weekends or selected days, a more flexible approach is introduced, allowing for real-life activities, social events, and personal routines.

This balanced approach helps patients stay on track while still enjoying important moments like dining out, family gatherings, and social commitments—without losing progress.

The FLEX Program is ideal for individuals who want results but also need a program that fits into a busy lifestyle.

If you would like to learn more about the FLEX Program, please get in touch with us to schedule an appointment.

Contact us now

If you would like to learn more about the OPTITRIMMD COMPLETE® program please contact us to schedule an appointment.

Make an Appointment

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Changing lives with weight loss since 1984

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Mon-Fri: 8am – 5pm
Saturday-Sun: Closed

info@thinfastmd.com (708) 485-4050

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ThinFast MD protects the privacy of your health information in accordance with HIPAA. Content on this site is for general education only and is not medical advice; weight-loss results vary and are not guaranteed. Some content and images are AI-assisted and reviewed by our medical team. For a medical emergency, call 911. © 2026 ThinFast MD.