It is recommended to rotate application sites daily to avoid skin sensitivity
IGF-1 regulation of key signaling pathways in bone
in the evening, before bed nasal application 1-2 sprays per nostril Scientific sources Delta-sleep-inducing peptide: a review scientific review A review article summarizing studies on DSIP, describing its impact on promoting delta sleep (deep sleep) in various species (rabbits, mice, rats, humans)
Nature 499 , 444449 (2013) Wootten, D., Simms, J., Miller, L
1c) of acid-ethanol extracts of rat gastric and ileal mucosa identified proglucagon, GLP-1, and GLP-2 fragments consistent with PC1/3 cleavage sites after trypsin, Lys-C, chymotrypsin, and Glu-C digestion