Hormone Replacement Therapy HRT

by Dr. Randy Smith of Antiaging Atlanta

Age Related Sarcopenia, Defined as Low Muscle Function (walking speed or grip strength) in the Presence of Low Muscle Mass is Improved with Testosterone Replacement Therapy, TRT, SARMS, Vit D, HGH or Human Growth Hormone

2017 Sep;23(9):1140-1149. doi: 10.4158/EP171795.RA. Epub 2017 Jul 13.



Sarcopenia is defined as low muscle function (walking speed or grip strength) in the presence of low muscle mass. A simple screening test-the SARC-F-is available to identify persons with sarcopenia. The major endocrine causes of sarcopenia are diabetes mellitus and male hypogonadism. Other causes are decreased physical activity, loss of motor neuron units, weight loss, inflammatory cytokines, reduced blood flow to muscles, very low 25(OH) vitamin D levels, and decreased growth hormone and insulin-like growth factor 1. Treatment for sarcopenia includes resistance and aerobic exercise, leucine-enriched essential amino acids, and vitamin D. In hypogonadal males, testosterone improves muscle mass, strength, and function. Selective androgen receptor molecules and anti-myostatin activin II receptor molecules are under development as possible treatments for sarcopenia.


COPD = chronic obstructive pulmonary disease DHEA = dehydroepiandrosterone IGF-1 = insulin-like growth factor 1 GH = growth hormone mTOR = mammalian target of rapamycin SARM = selective androgen receptor molecule.

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