Inclusion Criteria:  Elderly men and women, 65 years of age or older Ambulatory Able to accommodate the intervention food products Live in or around Loma Linda to be able to commute to the Nutrition Research Center  Exclusion Criteria:  Intolerance to soy products Immune system insufficiency or disease Insulin dependent diabetes mellitus Alzheimer's disease Dialysis Current cancer radiation or chemotherapy Prednisone or Prednisolone Therapy greater than 10mg/d