A helpful stance is to treat promising as needs better human studies, not as proven. How GHK Cu may act It is useful to group proposed mechanisms into a few broad hypothesis buckets. These buckets are based on repeated themes in the literature rather than claims of proof
Still, the term peptide sounds more advanced than vitamins and less sketchy than steroids
Patel MI, et al
Anemia caused by underlying diseases may manifest symptoms of that disease instead of anemia
13.1 Carcinogenesis, Mutagenesis, Impairment of Fertility A 104-week carcinogenicity study was conducted in male and female CD-1 mice at doses of 0.03, 0.2, 1.0, and 3.0 mg/kg/day liraglutide administered by bolus subcutaneous injection yielding systemic exposures 0.2-, 2-, 10- and 45-times the human exposure, respectively, at the MRHD of 1.8 mg/day based on plasma AUC comparison
Prebiotics are types of non-digestible fiber that feed the good bacteria in your gut