Human growth hormone

• For physiology of human growth hormone, see growth hormone.
• For deficiency diseases, see growth hormone deficiency.
• For diseases of GH excess, see acromegaly and gigantism.
• For GH treatment, see growth hormone treatment.
• For "HGH" products, black market use, nonmedical uses, and other GH-related nonsense promulgated on the internet, see HGH quackery and growth hormone treatment.
• For IGF and IGF1 related information, see insulin-like growth factor 1.