GH1 and infection: A deficiency state occurs with “stress”Primary nutrient source for gut mucosaPrecursor of glutathione (antioxidant)Anticatabolic activity at the muscle cell levelAnabolic activity with supplementation at 0.5 mg/kg per dayImproves nitrogen retentionStimulates human growth hormone release (anabolic activity)Decreases infection ratesImproves survival after severe injuryIncreases ammonia in liver failure