[7] The scientists also commented, Very surprisingly, Ipamorelin did not [appear to] release ACTH or cortisol in levels significantly different from those observed following GHRH stimulation
doi: 10.1006/bbrc.1998.9729 23 ZavadskisSWeidingerAHanetsederDBanerjeeASchneiderCWolbankSet al
Your gut is lined with millions of neurons and is responsible for producing a huge percentage of your body's neurotransmitters, including about 95% of your serotonin
Viles JH, Cohen FE, Prusiner SB, Goodin DB, Wright PE, Dyson HJ
Most are not FDA-approved for human use, some exist only through a prescription or compounding pharmacy tied to a different condition, and the rest are sold exclusively as unregulated "research chemicals" not intended for human consumption