Antibiotics may very well kill off some of the probiotics along with normal gut flora, but that is why I continue probiotics for several to many months after any antibiotic therapy is finished
Decreased plasma glutamate in early phases of septic shock with acute liver dysfunction is an independent predictor of survival
GHK-Cu's ability to upregulate SIRT1 expression provides a direct link between the peptide and established longevity pathways, suggesting that its anti-aging effects operate through well-understood biological mechanisms rather than mysterious or poorly characterized processes
Appetite: May cause appetite suppression
"NAD Metabolism in Cancer Therapeutics"
Other common gastrointestinal adverse effects include constipation, vomiting (59% in diabetes trials, higher in obesity trials), diarrhea (1316%), decreased appetite (59%), and abdominal discomfort