You’ve lined up your ride, stocked the freezer, and packed your bag for surgery day. Now it’s time to pack your plate. The foods you eat in the weeks before and after joint replacement fuel the work your body does to heal, from closing the incision to fighting off infection to rebuilding the muscle that gets you back on your feet. The best part? Nutrition is one piece of your recovery you control completely, starting today. Here’s how smart eating before and after joint replacement can help you heal faster, feel stronger, and get back to the people and activities you love.
Why Nutrition Matters Before Joint Replacement
Surgery is a physical stress. Elective procedures such as hip and knee replacement trigger an inflammatory, catabolic, and hypermetabolic response, which means the body breaks down tissue and burns energy faster than usual. A well-nourished patient enters that process with more reserves.
The research on poor nutrition is consistent. A systematic review of 20 studies concluded there is strong evidence that malnutrition, measured by blood markers such as albumin, is associated with a higher risk of poor outcomes across total joint replacement. Another review found that low albumin before surgery was a significant predictor of surgical site infection and delayed wound healing. These findings are one reason surgeons treating hip replacement and knee replacement patients pay attention to nutrition well before the operating date.
What Is Perioperative Nutrition?
Perioperative nutrition refers to targeted nutritional strategies before, during, and after surgery, such as carbohydrate loading before the operation and protein supplementation afterward. The goal is to support healing, muscle health, and a return to activity.
One structured example is ENROUTE, which Dr. Economedes recommends to his patients. According to the practice’s nutrition page, it is a four-week program built around two drink formulas taken for two weeks before and two weeks after surgery. The formulas provide protein, essential amino acids, vitamins, and minerals, come in dairy or plant-based options, and are designed to fit within clear liquid guidelines. It is one way to make good nutrition simple and consistent during a busy preparation period.
What the Evidence Says About Protein and Carbohydrate Loading
It helps to know where the science is solid and where it is still developing.
On protein, a recent review found that protein and essential amino acid supplementation after surgery shows some effectiveness for muscle-related outcomes after hip and knee replacement, although the evidence to date is somewhat limited. Muscle matters because strength drives how quickly you can walk, climb stairs, and complete physical therapy.
On carbohydrate loading, the data in joint replacement patients have been inconclusive, though one hospital reported that adopting a carbohydrate loading protocol shortened hospital stays by roughly one day. As for programs like ENROUTE specifically, early research on a four-week program involving 105 joint replacement patients has focused on whether patients adopt and accept it. Larger trials measuring complications and recovery speed would strengthen the case further, so nutrition should be viewed as one supportive part of a broader recovery plan.
Practical Ways to Support Healing Around Surgery
Small habits add up. Before surgery, aim for regular meals that include a source of protein, and follow your surgical team’s fasting instructions exactly. If you have diabetes, kidney disease, or food allergies, review any supplement plan with your care team first.
After surgery, appetite often dips. Smaller, more frequent meals and snacks that emphasize protein, along with adequate fluids, can help you keep nourishing the repair process. Nutrition works hand in hand with the rest of your recovery, including post-operative instructions and rehabilitation. It is also relevant for patients considering outpatient joint replacement, where preparation at home plays an even larger role.
Frequently Asked Questions About Nutrition and Joint Replacement
Does nutrition affect recovery after joint replacement?
Yes. Research links poor nutritional status, including low albumin, to a higher risk of infection, delayed wound healing, and other complications after hip and knee replacement. Good nutrition supports the body’s ability to heal and rebuild muscle.
What is ENROUTE perioperative nutrition?
ENROUTE is a four-week nutrition program that Dr. Economedes recommends for joint replacement patients. It uses two drink formulas with protein, amino acids, vitamins, and minerals, taken for two weeks before and two weeks after surgery.
How long should I follow a nutrition plan before and after surgery?
It depends on the program and your needs. ENROUTE spans two weeks before and two weeks after surgery. Your surgical team can advise whether that timeline, or a different one, suits you.
Do I need protein supplements before a knee or hip replacement?
Not everyone does. Evidence for supplementation is limited, and your needs depend on your diet, health conditions, and lab results. Ask your surgeon whether a nutritional assessment is right for you.
Can I eat or drink before joint replacement surgery?
Always follow your own surgical team’s written instructions. Some centers allow a clear carbohydrate drink up to two hours before anesthesia, but timing varies by hospital and patient.
Joint replacement recovery begins well before surgery day, and nutrition is one of the most practical steps within reach. If you are preparing for a hip or knee replacement and want to know how nutrition fits into your plan, you can request an appointment with Dr. Economedes and his team.
AUTHOR: Dr. Demetri M. Economedes, D.O. - Hip & Knee Joint Replacement Specialist
Demetri M. Economedes, D.O. is a board-certified orthopedic surgeon specializing in hip and knee joint replacement. He practices at Cary Orthopaedics in Cary, North Carolina, where he treats patients throughout the Triangle area.
Credentials & Recognition
Dr. Economedes earned his undergraduate degree from Pennsylvania State University and his medical degree from the Philadelphia College of Osteopathic Medicine. He completed his internship at Mercy Suburban Hospital in East Norriton, Pennsylvania, and his residency through the Philadelphia College of Osteopathic Medicine Mednet program. Dr. Economedes went on to complete an Adult Joint Reconstruction Fellowship at Rush University in Chicago, a program recognized for training in complex hip and knee arthroplasty. He is certified by the American Osteopathic Board of Orthopaedic Surgery.
Clinical Expertise
Dr. Economedes focuses his practice on hip and knee replacement, including primary and revision joint reconstruction. His fellowship training in adult joint reconstruction at Rush University gives him specialized experience in restoring mobility for patients with advanced arthritis and joint degeneration. He works alongside a dedicated care team, including Chelsea Fletcher, PA-C, Courtney Shanahan, FNP, and Hunter Stuart, AT-C to guide patients through evaluation, surgery, and recovery.
Medical Disclaimer: This information is for educational purposes only and does not constitute medical advice. For diagnosis and treatment recommendations, please consult with Dr. Economedes or another qualified orthopedic specialist at Cary Orthopaedics.
Content authored by Dr. Demetri M. Economedes and verified against official sources.
