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Human growth hormone (HGH): Does it slow aging?

Do some adults need human growth hormone?

Yes. Adults who have true growth hormone deficiency — not the expected decline in growth hormone due to aging — might be prescribed synthetic human growth hormone by their doctors.

Growth hormone deficiency might be caused by a benign tumor on the pituitary gland (pituitary adenoma). It also might be caused by treatment of an adenoma with surgery or radiotherapy.

For adults who have a growth hormone deficiency, injections of human growth hormone can:

  • Increase exercise capacity
  • Increase bone density
  • Increase muscle mass
  • Decrease body fat

Human growth hormone is also approved to treat adults with AIDS- or HIV-related muscle wasting.