Common Commercial Weight Loss Programs’ Weight Loss and Glycemic Outcomes In RCTs

Time PointMean Weight Loss at Time Point (kg)RCTs Conducted in Patients With Diabetes?A1C Change at Time Point (%)Patients Who Reduced Diabetes Medications at Time Point (%)
Weight Watchers12 Months–3.0 to – 9.1No
Jenny Craig12 Months–6.6 to –10.1Yes–0.3 to –0.730–39 (oral); 63–90 (insulin)
Nutrisystem6 Months–7.3 to –10.8Yes–0.728 (all medications)