While some research has examined hair cortisol concentrations as a potential marker of chronic stress, this is not a recommended clinical test in US practice
Omeprazole and other PPIs are safe with GLP-1 medications
LC intake might cause mild gastrointestinal symptoms, including nausea, vomiting, abdominal cramps, heartburn, indigestion, and diarrhea
One Caveat on Topical Copper Peptides Some users of over-the-counter copper peptide creams report a temporary rough patch, informally called the copper uglies, thought to come from remodeling enzymes clearing old collagen before new collagen catches up
Safe, inexpensive, and well-studied