Both sleep length and quality are influenced by endocrine factors such as somatoliberin (growth hormone-releasing hormone),7 which contributes to slow-wave sleep8 an indicator of healthy slumber.9 Some research suggests, though not conclusively, that DSIP can stimulate somatoliberin secretion,10 thereby promoting the onset of a deep stage of sleep
Still, even a well-formulated diet does not guarantee that an older or stressed dog is meeting demand at the cellular level
It's unclear if 12 milligrams is too much because the supplement is not a regulated medication
Preclinical and in vitro studies have consistently demonstrated its ability to stimulate collagen, elastin, and glycosaminoglycan synthesis in fibroblast cell cultures
Stallmach et al., 2024)
It carries copper into cells where copper-dependent enzymes need it, and the GHK fragment itself acts as a signaling peptide that influences gene expression in fibroblasts and other tissue cells