Because growth hormone levels decrease with age, ibutamoren has been touted as a fountain of youth due to its ability to increase growth hormone secretion in older adults. The hope for ibutamoren and other growth hormone secretagogues (a substance that stimulates hormone secretion) is that they would also increase muscle and reduce visceral fat. However, besides the changes in biomarkers, there has not been evidence of functional benefits with this ingredient.[1]
What is ibutamoren?
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•Last Updated: May 16, 2025
Ibutamoren is a substance that increases growth hormone secretion, particularly in older adults. However, despite changes in biomarkers, there is no evidence of functional benefits from its use.