Pre-Transplant Nutrition

Core Goals

• Identify and treat protein–calorie malnutrition, sarcopenia and frailty early in the transplant evaluation process. [2]
• Preserve or increase lean body mass, muscle strength and functional capacity.
• Prepare patients to tolerate major surgery, prolonged anesthesia and immunosuppressive therapy.
• Reduce risks of infections, pressure injuries, prolonged ICU stay and post-operative complications. [1]

Screening & Assessment Tools

• Guidelines recommend structured tools such as hand-grip strength, chair stand tests, gait speed, CT-based muscle area, or SGA/MUST nutrition scores to quantify frailty and sarcopenia. [4] [7]
• Early referral to a liver-experienced dietitian is strongly encouraged in all decompensated cirrhosis and transplant candidates. [1] [2]
• Documentation of nutrition status is now a key component of many transplant committee discussions.

Energy Needs

• EASL and ESPEN guidelines suggest ~30–35 kcal/kg/day for most clinically stable adults with cirrhosis, with higher targets in severe malnutrition or critical illness. [5] [1]
• Underfeeding is common and contributes to muscle loss; aggressive but safe refeeding is recommended when no contraindications exist. [8]

Protein Needs

• Multiple guidelines now recommend 1.2–1.5 g protein/kg/day for adults with cirrhosis; at the higher end (≈1.5 g/kg) in sarcopenia or frailty. [5] [9] [3]
• Studies show that cirrhotic patients can safely tolerate higher protein intakes (up to ~1.8 g/kg/day) without precipitating encephalopathy if overall care is optimized. [10]

Hepatic Encephalopathy: No Protein Restriction

• Historic practice of severe protein restriction in hepatic encephalopathy has been abandoned; modern guidance advises maintaining protein intake while treating precipitating factors and using lactulose ± rifaximin. [6] [3]
• Plant-based proteins and dairy sources, as well as BCAA-enriched formulas, are often better tolerated and may improve HE symptoms. [8]
• Very-low-protein diets (<60 g/day) are discouraged for long-term management of cirrhosis. [10]

Avoid Long Fasts

• Cirrhotic patients enter a catabolic, muscle–burning state after relatively short fasting periods; guidelines advise small, frequent meals every 3–4 hours while awake. [5]
• A late-evening complex carbohydrate and protein snack (for example, yogurt and fruit, nut butter on whole-grain toast, or oral nutrition supplement) is strongly recommended to shorten overnight fasting. [6]

Macronutrient Balance

• Emphasize complex carbohydrates (whole grains, legumes), adequate protein and heart-healthy fats (olive oil, nuts, seeds, fatty fish).
• Limit large loads of refined sugar and saturated fat, which worsen insulin resistance and MASLD/MASH.
• For patients with diabetes, coordinate meal timing and carbohydrate content with diabetes medications and insulin to avoid hypoglycemia.

Examples of “Liver-Friendly” Snacks

• Greek yogurt with berries and a spoonful of nuts or seeds
• Hummus with whole-grain pita or raw vegetables
• Peanut or almond butter on whole-grain toast
• Boiled eggs with fruit or a small portion of oatmeal
• Commercial oral nutrition supplement designed for liver/renal patients (as advised by dietitian)

Strategies for Low Appetite Days

• Mini-meals every 2–3 hours – 4–6 bites or sips at a time is fine; just do it frequently.
• Choose soft, easy-to-chew, easy-to-swallow foods: yogurt, cottage cheese, eggs, smoothies, soups with beans or lentils.
• Keep sodium reasonable but do not let salt restriction become an excuse to skip calories and protein.
• Use oral nutrition supplements (standard or liver-specific formulas) as “liquid meals” when solids are hard to tolerate – follow your team’s product recommendations.

“Lousy Day” Snack Ideas

• Small smoothie with Greek yogurt, banana, peanut butter and milk (or soy milk)
• Half sandwich with turkey or hummus on soft whole-grain bread
• Scrambled eggs with a little cheese and soft toast
• Instant oatmeal made with milk, topped with nuts or seeds
• Oral nutrition supplement sipped slowly over 30–60 minutes

Sodium Restriction

• Most guidelines recommend ~2 g/day (≈90 mmol) sodium intake for patients with clinically significant ascites, balancing edema control with palatability and overall intake. [1]
• Avoid very strict sodium limits that lead to poor intake and weight loss.
• Educate patients on reading labels, avoiding processed foods, canned soups, deli meats and restaurant foods high in salt.

Fluid & Diuretic Considerations

• Fluid restriction is typically reserved for patients with severe hyponatremia; indiscriminate restriction can worsen renal function and intake.
• Monitor weight, renal function and electrolytes closely when adjusting diuretics and sodium intake.
• Coordinate paracentesis, albumin infusions and nutrition so patients can eat comfortably after large-volume taps.

Common Deficiencies

• Vitamin D, zinc, thiamine, folate and fat-soluble vitamins (A, D, E, K) are frequently low in advanced liver disease. [1]
• ESPEN and ACG emphasize routine screening and repletion of vitamin D and zinc, and empiric thiamine in those with alcohol use disorder. [6] [1]

Special Issues

• In cholestatic liver disease, consider supplementation of fat-soluble vitamins and use of medium-chain triglycerides when indicated.
• For pre-transplant obesity and MASLD/MASH, maintain adequate micronutrient intake during caloric restriction and weight-loss therapies.
• Coordinate with pharmacy and transplant team to avoid interactions between supplements and immunosuppressive or anticoagulant medications.

Oral & Enteral Nutrition First

• ESPEN and EASL guidelines recommend prioritizing oral nutrition with fortified meals and oral supplements, followed by enteral tube feeding (NG/NJ/PEG) when oral intake is inadequate. [1] [5]
• Enteral nutrition maintains gut integrity, reduces infection risk and is usually safer and less expensive than parenteral nutrition.

When Parenteral Nutrition Is Used

• Parenteral nutrition is reserved for patients with contraindications to enteral feeding (e.g., severe GI dysfunction, high-output fistula, uncontrolled GI bleeding) and should be managed by an experienced team. [11]
• Carefully monitor fluid balance, electrolytes, glucose and triglycerides, and adjust formulations for hepatic encephalopathy and cholestasis when needed.

For Patients

• Ask your team: “What are my calorie and protein targets each day, and how can I realistically reach them?”
• Use the protein calculator above with your clinician or dietitian to estimate a daily protein goal and how to spread it across meals and snacks.
• Keep a simple daily log of meals, snacks and weight; bring it to clinic visits.
• If you cannot finish full meals, focus on high-protein, high-calorie snacks and oral supplements spread through the day and evening.
• Tell your clinicians if you notice rapid weight loss, reduced appetite, difficulty chewing/swallowing, or new weakness and falls.

For Families and Caregivers

• Help with grocery shopping, meal prep and reminders for snacks and late-evening feedings.
• Encourage activity within the patient’s limits – short walks, light resistance exercises and physical therapy complement nutrition in preserving muscle.
• Attend dietitian visits when possible so you know the plan, including sodium limits, protein goals and any fluid restrictions.
• View nutrition therapy as a central part of transplant preparation, not as an optional add-on.