We psychoanalyzed the burdens of Glycyrrhiza polysaccharide (GCP) on growth performance, appetite, and hypothalamic inflammation-connected indicants in broilers. One-day-old male AA broilers were randomly divided into four groups: Control, L-GCP, M-GCP, and H-GCP (0, 300, 600, and 900 mg GCP/kg feed), with six repetition coops for each treatment and