TABLE 1.

Inclusion and exclusion criteria in the review.

	Inclusion criteria	Exclusion criteria
Population	Adult Undergo surgery in combination with chemotherapy or surgery alone	Children Animal data Healthy volunteers
Study type	Randomized controlled trials (RCTs)	Reviews/editorials/case reports non-RCTs/Published as an abstract
Intervention	All routes of administration were eligible (i.e., oral, PN, TPN or EN), alone or in combination with other parenteral or enteral feeding regimes	Arginin Glutamine RNA
Outcomes of interest	At least one of the Following outcomes:
	Weight
	Rates of infectious and non-infectious complications
	Length of hospital stay (LOS)
	CRC mortality
	Tumor necrosis factor-α (TNF-α)
	C-reactive protein (CRP)
	Albumin
	BMI (Body Mass Index)
	IL-6 (interleu-6)
	IL-1β(interleukin-1beta)
	Quality of life

Abbreviations: PN, parenteral nutrition; TPN, total parenteral nutrition; EN, enteral nutrition.