POTSDAM -- Downtown Nutrition, located by Harris Medical, will host a weight loss challenge beginning Monday, Jan. 7 at 5:30 p.m.

The challenge, a 12 week program, will include weekly weigh-ins and a free shake and tea at sign-up. Weigh-ins will include a meeting and a 30-minute class on how to lose weight and eat healthy.

A personal trainer will also be available to help participants get fit during the program.

The program costs $35, and cash prizes will be given to the three entrants who lose the most weight. Prizes will also be given away each week.