The more pressing question is whether they are working, given absorption limitations
However, two independent meta-analyses reported conflicting results with one showing that hesperidin did not improve lipid profiles and BP (Reference Mohammadi, Ramezani-Jolfaie and Lorzadeh43) , while the other failed to come to a definitive conclusion (Reference Pla-Pag, Companys and Caldern-Prez44)
A large share of glutathione Chemist Warehouse searches are really skin searches, so precision matters: a randomised, double-blind, placebo-controlled study in Clinical, Cosmetic and Investigational Dermatology ran twelve weeks with 250mg a day and found melanin index and ultraviolet spots trended lower than placebo, with modest gains in elasticity (Weschawalit et al., PMID 28490897)
This is exactly what were trying to prevent
The Synergy: Why CJC-1295 is Often Paired with Ipamorelin In our clinical experience, CJC-1295 is most effective when paired with another peptide called Ipamorelin