Main Medifast Contact Number:   1-800-209-0878

If you would like to contact us for more information or to place an order, please call our Customer Care department at 1-800-209-0878 where one of our specialists will assist you. Customer Care is available Weekdays 8:00 a.m. to 11:00 p.m. and Weekends 9:00 a.m. to 6:00 p.m. EST.

For answers and information available 24/7, please visit our Learning or Common Questions sections.

Advertising Requests
All advertising inquiries should be directed to advertising@choosemedifast.com.

Media Requests
All media inquiries should be directed to publicrelations@choosemedifast.com.

General Questions/Feedback
Do you have general questions or feedback about Medifast? Please fill out the general contact form below for assistance.

We strive to answer all emails within 1-2 business days. Please allow 1-2 business days - excluding weekends and holidays - to respond to your email. Please make sure you can receive response emails from medifastdiet.com and choosemedifast.com.