In 1981, for example, a paper published in the International Journal of Clinical Pharmacology, Therapy, and Toxicology described a trial with six volunteers who experienced immediate sleep pressure after intravenous DSIP infusion, as well as increased sleep time, decreased sleep onset, and better sleep efficiency without any sedative effects.13 Three years later, two other human trials across ten test subjects with insomnia found that DSIP administration yielded statistically significant improvements in several key sleep measures fewer sleep arousals, greater sleep efficiency, and increased REM, spindle, and slow-wave sleep.14 The above studies had shortcomings, namely their very small sample sizes, but the sleep-improving effects in cases of insomnia point to DSIPs potential to live up to its name
While human clinical research remains limited, several mechanisms have been proposed based on animal studies
10.1016/j.aquaculture.2007.09.004 3 AddinsallA
Quality sleep accelerates healing, so finding sustainable positioning matters
However, for specific injuries (like a damaged nerve in the leg), many researchers prefer administering it near the site to maximize local concentration, though the science supports its efficacy via systemic absorption as well
Check four things: who formulated it, whether it's third-party tested, whether the full dosing is disclosed, and whether it was actually designed for GLP-1 users