Updated September 26, 2026.
Age-related loss of muscle strength and function deserves attention, but it should not automatically lead to growth hormone or testosterone treatment. This article replaces earlier claims that these drugs routinely reverse aging or prevent sarcopenia.
What sarcopenia means
Sarcopenia involves declining muscle mass, strength, and physical function. An assessment should consider activity, nutrition, illness, medications, falls, and changes in daily tasks. A low IGF-1 result is not a general measure of “wear and tear” and does not by itself establish a need for growth hormone.
Start with strength and function
Appropriately adapted resistance exercise can help older adults maintain strength and mobility. A practical plan may also address nutrition, balance, and barriers such as pain or an underlying illness. The goal is safer movement and meaningful daily function—not simply a higher hormone level or more lean mass on a scan. See the National Institute on Aging’s strength-training overview.
When hormone evaluation is appropriate
Confirmed pituitary disease or another endocrine disorder may require specialist treatment. The Endocrine Society recommends against giving growth hormone to older adults solely for an age-adjusted low IGF-1 level without a history of pituitary or hypothalamic disease. Single growth hormone measurements are not useful for diagnosing deficiency; stimulation testing may be needed. See the hypopituitarism guideline.
Testosterone treatment requires an appropriate diagnosis of hypogonadism. It should not be presented as a general muscle-preservation treatment for all older men or women. Read our TRT evaluation and safety guide.
Why we removed the old drug comparison
The earlier article compared growth hormone brands using half-life figures and implied that these established superior effectiveness. It also discussed administration routes without a suitable prescribing context. Those comparisons have been removed. Product choice, indication, administration, and monitoring must follow the specific prescribing information and the clinician’s assessment.
Prepare for an evaluation
Tell your clinician about falls, unintentional weight loss, difficulty rising from a chair, or declining ability to manage daily activities. Bring your medication list and describe how quickly changes developed. Ask about strength assessment, nutrition support, physical therapy, and whether there is a reason for endocrine testing.
You can schedule a consultation to discuss a plan based on your health and functional goals. This article does not recommend a hormone prescription for age-related muscle loss.
