Dietary Sources The body synthesizes glutathione endogenously, so dietary intake is supplementary rather than essential
Lead Researcher Spotlight Professor Predrag Sikiric, MD, PhD (BPC-157 Primary Investigator) Department of Pharmacology University of Zagreb School of Medicine, Zagreb, Croatia Professor Predrag Sikiric has been the primary investigator for BPC-157 research since the 1990s, leading the team that isolated and characterized this peptide from human gastric juice
Melatonin supplements may be used in conjunction with HRT to improve sleep and reduce fatigue
Vitamin D3 (cholecalciferol) is a fat-soluble vitamin synthesized in the skin when exposed to sunlight
Proven Extensively researched in clinical studies with documented sleep quality benefits, deep sleep enhancement effects, and excellent safety profiles across diverse sleep populations Safe Well-tolerated in research with minimal adverse effects, no addiction potential, no next-day drowsiness, and strong safety record making it ideal for sleep optimization protocols Questions DSIP operates through fundamentally different mechanisms compared to conventional sleep medications like benzodiazepines, Z-drugs, or sedating antihistamines