A method of improving health in an animal includes administering to the animal a nutritional supplement comprising an amino acid secretagogue composition, which stimulates the pituitary gland in the animal to produce growth hormone. The nutritional supplement may be administered orally. The nutritional supplement may comprise L-arginine hydrochloride, L-pyroglutamic acid, L-lysine hydrochloride, and cysteine. When desired, the nutritional supplement may consist essentially of L-arginine hydrochloride, L-pyroglutamic acid, L-lysine hydrochloride, N-acetyl-L-cysteine, L-glutamine, and schizonepeta powder.一種改善動物健康之方法,其包括於該動物中投與一包含胺基酸促分泌素組成物之營養補充物,其會刺激該動物之腦下垂體產生生長激素。該營養補充物可經口服投與。該營養補充物可包含L-精胺酸鹽酸鹽、L-焦麩胺酸、L-離胺酸鹽酸鹽以及半胱胺酸。需要時,該營養補充物基本上可由L-精胺酸鹽酸鹽、L-焦麩胺酸、L-離胺酸鹽酸鹽、N-乙醯基-L-半胱胺酸、L-麩醯胺酸以及荊芥粉構成。
