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9 Shocking Facts about Growth Hormone Therapy

Written by Author - Authors Medical experts of the National HRT Clinic - September 20, 2017

9 Shocking Facts about HGH Therapy

Many people think they know most of the facts about growth hormone therapy, but some surprising things are unknown to the masses.

New research, shocking discoveries, and possibilities for the future are what we, at National HRT, are excited to learn and share with our clients and readers.

Here are some interesting facts about growth hormone deficiency:

  • 1. Osteoporosis and HGH

According to a study in Sweden in 2015, women who received treatment with growth hormone therapy experienced improved bone density and a reduced risk for fractures for years after they stopped treatment.

  • 2. Metabolism, Weight, and Growth Hormone

Because of its impact on the body’s metabolic functions, growth hormone can induce a comparable amount of body fat loss as muscle gain. In one study published in the New England Journal of Medicine in 1990, adults showed an average 14 percent loss of body fat and gained 8.8 percent muscle. Many other studies since then have verified the weight loss effects.

  • 3. Growth Hormone and Muscle Development

Although it is widely believed that HGH can build large muscles; that is not the case. Individuals who use human growth hormones for athletic or bodybuilding enhancement typically combine it with steroids, hence the muscle and strength increase. The only people who will see improvements in muscle mass from HGH therapy are those with growth hormone deficiency.

3 Shocking Ways Growth Hormone Affects the Brain

It is now known that growth hormone can cross the blood brain barrier.

That knowledge brings the possibility for avenues of treatment in the future for many cognitive medical issues.

Here are some shocking and amazing facts about growth hormones and the brain:

  • 4. HGH and Memory

In a myriad of studies, increasing human growth hormone levels have demonstrated the ability to restore memory in elderly people, individuals who have abused opiates, as well as those undergoing treatment for chronic pain that could alter their memory. Positive benefits have been documented in patients with Alzheimer’s disease.

  • 5. Learning Ability and Growth Hormone

It has long been known that growth hormone stimulates both the learning centers as well as the recall centers of the brain, but now we are aware of something even more profound – HGH treatment in cases of traumatic brain injury may be able to reverse some of the cognitive damage. In one study, improvements were seen in areas of verbal learning, information processing, and executive functioning.

  • 6. GH and Neuroprotection

Growth hormone promotes a process called neurogenesis – the growth and development of neurons from neural stem cells and progenitor cells. HGH therapy is under consideration for use in ALS patients due to its regenerative abilities.

These facts about growth hormone deficiency and how it affects the brain, and the possibility for treatments in the future are extremely exciting.

Growth Hormone, Immunity, Libido, and Appearance

Some of the interesting facts about growth hormones are steeped in years of research while others speak for themselves simply by looking in the mirror, as shown in these final 3 facts:

Immune System

  • 7. HGH and the Immune System

Because of its ability to stimulate and strengthen the immune system, researchers are now looking at the possibility that HGH can improve growth of the thymus, the gland that produces T cells for immunity. It is believed that this may help improve immunity in individuals with HIV.

  • 8. How Growth Hormone Benefits Libido

The pituitary gland is the body’s master gland, and HGH is the master hormone. It can have an impact on the production of many other crucial chemical messengers, including certain sex hormones. That is why adults receiving HGH often claim their sex life is better than ever.

  • 9. Look Younger with HGH

You do not need a study to tell you what you already know if you are using HGH injections – you look years younger. The youthful benefits begin with the simple process of cell regeneration. When a healthy supply of new cells is ready to rebuild hair shafts, increase collagen, and strengthen the nails, you have all you need for firmer skin and thicker hair.

Of course, there are still many more facts about human growth hormone to study, understand, and uncover, and, as the years continue to pass, we will continue to learn more ways to help the adult body age with vitality and well-being.

Medically reviewed by   Reviewers National HRT Staff - Updated on November 21, 2023

Please note that the information provided in this article is for informational purposes only and is not intended as a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified healthcare provider with any questions you may have regarding a medical condition or treatment.


  1. Muscle&Fitness
  2. Indian J Endocrinol History of growth hormone therapy Indian J Endocrinol Metab. 2011 Sep; 15(Suppl3): S162–S165.Vageesh S. Ayyar Metab. 2011 Sep; 15(Suppl3): S162–S165