Inclusion Criteria:  Adults with established enteral access Anticipated to require enteral nutrition to provide 90% or more of their nutritional needs Signed informed consent  Exclusion Criteria:  Condition which contraindicates enteral feeding (i.e. intestinal obstruction) Any condition that would contraindicate use of the study product Patients with active colitis, radiation enteritis, SBS, undergoing active cancer treatment Judged to be at risk for poor compliance to the study protocol Participating in a conflicting clinical trial