Oral Nutritional Optimization in Total Joint Arthroplasty

"Ensure Max Protein Shake is an over the counter available drinkable nutritional supplement. Per serving, it contains:~* 160 Calories, 20 from fat~* 2g Total fat~* 0.5g Saturated fat~* 20mg Cholesterol~* 135mg Sodium~* 170mg Potassium~* 19g Total carbohydrate~* \<1g Fiber~* 4g Sugar~* 16g Protein~Participants will receive Ensure High Protein for 2 weeks pre- and 4 weeks post-operatively. These patients will be instructed to consume 1 serving (16fl oz) of Ensure High Protein daily. They will be provided with this product at a pre-operative clinical visit or have it mailed to their home. Hematologic nutritional values will be measured as specified previously.~Descriptive statistics will be used to report baseline characteristics and primary study objectives. Hematologic outcomes will be compared between the control (NO ENSURE) and oral supplementation (ENSURE) arms for the aforementioned baseline and perioperative variables"