Combined Immunonutrients Reduced Surgery Infection Risk
Patients undergoing colorectal surgery may benefit from specific nutrient combinations before and after procedures.
Updated on Sept. 29, 2026 in Nutrition
Live Poll
Do you trust that nutritional supplements are an effective way to help patients recover from surgery?
A 2026 systematic review found that combining specific immunonutrients reduced postoperative wound infections for patients undergoing colorectal cancer surgery. The findings highlight the importance of targeted nutrient supplementation in surgical recovery.
Why it matters
Surgical complications like infections can significantly extend recovery time and increase health burdens for patients. This review helps clarify which nutritional interventions may be effective for improving post-surgical outcomes.
This systematic review analyzed 20 clinical trials and two observational studies conducted between 2000 and 2025. While combined supplementation was linked to fewer wound infections, single-nutrient supplements, including omega-3 fatty acids alone, failed to show the same protective effect.
The details
The review suggests that combining arginine, omega-3 fatty acids, nucleotides, L-alanine, and L-glutamine is essential for surgical benefit. The mechanism appears to rely on a synergistic effect, as isolating individual components did not lead to a reduction in complications. The researchers followed the PRISMA framework to examine immune response and nutritional status across the compiled data from international databases.
Timeline
Studies included in the review covered the period from 2000 to 2025.
The systematic review was published in 2026.
Health Landscape
This research contributes to the broader medical effort to optimize surgical outcomes through perioperative nutrition. It highlights a departure from single-nutrient research by emphasizing that synergistic combinations are necessary to influence recovery in colorectal cancer patients.
If you are preparing for colorectal surgery, you may want to discuss the potential role of perioperative immunonutrition with your surgical team. Be aware that this evidence specifically supports a combination of nutrients rather than isolated supplementation.
The takeaway
Combined immunonutrient support may help lower the risk of postoperative wound infections in specific surgical patients. Patients should consult their surgeons about evidence-based nutritional strategies appropriate for their specific surgical care plan.
Further reading
Learn more about the latest developments in surgical recovery protocols in our Nutrition section.
Source note: This article includes information reported by Ajmc.
Live Poll
Do you trust that nutritional supplements are an effective way to help patients recover from surgery?
