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The OPTIFAST® Weight Loss Program

Optifast Medical Weight Loss Program Thornton, CO

The OPTIFAST® program, which usually lasts 26 weeks, is a medically-supervised weight-management program that closely monitors and assesses progress towards better health and emotional well-being. The program utilizes a meal replacement plan that transitions to self-prepared ‘everyday’ meals, in conjunction with comprehensive patient education and support.

Proven Benefits

The OPTIFAST® program has over 40 years of experience and documented outcomes in more than 80 clinical weight loss publications.

Through weight loss, the OPTIFAST® program can help improve the state of certain medical conditions of patients related to their excess weight. This clinically proven program was designed to help patients improve their health by losing weight under medical supervision.


Long-term Results

Losing at least 5% of one’s starting weight is considered “medically significant” because it is associated with improvements in risk factors or incidence of certain diseases and conditions in at-risk people who suffer from obesity.

After 2 years (based on approximately 610 participants in the study) 40% of patients maintained more than half their weight loss.

78% of men and 60% of women maintained medically significant weight loss.

After 5 years (based on approximately 335 participants) Approximately 50% of patients maintained medically significant weight loss.

How the OPTIFAST Weight Loss Program Succeeds

  • Meal Replacement Diet
    Narrowing your food choices helps you work towards weight loss and management by controlling the amount and types of food you eat.
  • Medical Supervision
    Utilizes the expertise of physicians to help you lose weight safely.
  • Lifestyle Education
    To help you achieve and sustain better health through nutrition, exercise, and lifestyle changes.
  • Counseling
    Individual and group counseling by experts who understand your challenges.
  • Ongoing Personalized Support
    Included both during and after weight loss to help you achieve and maintain success.

OPTIFAST Weight Loss Program


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