The aim of this retrospective study was to identify if malnutrition in older adults was linked to poor outcomes. A total of 327 inpatients aged ≥65 years who were referred for geriatric consultation were evaluated. At baseline, 56.8% received no nutritional support. After geriatric evaluation, 53% were started on oral nutrition supplements (ONS). In-hospital mortality was 14.1%. ONS use was associated with reduced mortality compared to nasogastric and percutaneous endoscopic gastrostomy feeding,