Mercy bariatric surgeon Dr. Jessica Cutler discusses vitamin D and it’s impact on weight loss. Learn more at mdmercy.com baltimorebariatric surgeonDr. Jessica CutlerFitnesshealthy weightMDMercy HospitalMercy Medical CenterThe Maryland Bariatric Center at MercyVITAMINVitamin Dvitamin fitnessweight lossweight loss surgeon