As a best practice for any research supplier, prioritize recent third-party testing, a verified COA, and results from an ISO/IEC 17025accredited laboratory to support identity confirmation and batch-to-batch consistency
As noted above, 5-cholesten-3-one is not showing any activity with the mammalian enzymes, presumably due to steric hindrance by the bulky sidechain (Figure 8)
Andreassen, et al (2001) The growth hormone secretagogue ipamorelin counteracts glucocorticoid-induced decrease in bone formation of adult rats Growth Hormone & IGF Research, Volume 11, Issue 5, October 2001, Pages 266-272
TB-500, by contrast, works more systemically
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