Geriatric Recovery Using Inpatient and Post-hospitalization Supplementation

Inclusion Criteria: * Aged 65 years or older. * Admitted to UTMB hospital for any acute medical condition * English speaking Exclusion Criteria: * Inability to consent * Bed or wheelchair bound prior to hospitalization * Estimated creatinine clearance 20 ml/min or less, or end stage renal disease not on dialysis * AST/ALT 2.5 times above the normal limit * Active cancer * Palliative care/Hospice * Estimated protein intake \>1.2 g/kg/day during the previous 24 hours * Any other condition or event considered exclusionary by the PI and faculty physician