NashobaServices and Clinical Centers

OPTIFAST® at The Center for Weight Control

Proven Outcomes in 26 Weeks!

OPTIFAST® is a comprehensive, medically monitored weight loss program. The weekly Lifestyle Education Series (R) in combination with a low calorie diet is designed to help someone change their eating and exercising habits. The OPTIFAST Program succeeds because it treats the whole patient, focusing on more than just weight.

Patients work with a team of health care professionals, including primary care physicians* (PCP) and Nashoba Valley Medical Center's dietitian to help then achieve long-term weight loss. The program, which usually lasts between 18 to 26 weeks, utilizes a full meal replacement plan that transitions to self-prepared “everyday” meals in conjunction with comprehensive patient education and support. During this time, the dietitian and patient's PCP track and monitor the patient's weight, lab work, and other factors.

The OPTIFAST Program is designed for the severely obese, those with a body mass index higher than 35.

OPTIFAST products

Why Choose OPTIFAST®?

The OPTIFAST Program is clinically proven to provide results. Typical Results for OPTIFAST participants include:

  • Over 50 lbs. average weight loss
  • 11 percent average decrease in blood pressure
  • 14 percent average decrease in cholesterol
  • Approximately 50 percent of patients maintain a loss of greater than or equal to five percent of initial weight five years after treatment

The Benefits of OPTIFAST®

The OPTIFAST Program provides tools and support to help patients lose weight and keep it off. These include:

  • Expert resources to address, modify and support lifestyle, behavior and diet decisions
  • Progression toward better health and emotional well-being
  • High quality, complete nutrition, pre-portioned and calorie-controlled weight management products
  • Quick and simple preparation of products

Learn more about OPTIFAST by reading our in-depth frequently asked questions.

Take the First Step to Begin your Weight Loss Journey!

Call 978-784-9313 to schedule an appointment with our dietitian or register to attend a free information session.


*To participate in the OPTIFAST Program, you will need to obtain a referral from your PCP.

Request an Appointment

Upcoming Events & Classes


Download FAQs about OPTIFAST®


Meet our Dietitian

Meet Sara Schwarz, MS, RD, LDN, the dietitian at Nashoba Valley Medical Center.

For Referring Providers

Need to refer a patient? Fill out and fax this referral form to the Center for Weight Control at 978-784-9889.

Contact Us

Nashoba Valley Medical Center
200 Groton Road
Ayer, MA 01432

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