Some clinical trials have shown modest, temporary reductions in melanin index with consistent oral use, but reviews of this research describe the effect as inconsistent between studies and dependent on continued use, not a one-time or lasting change
Co-administering them can cause extreme vasodilation, leading to dangerous hypotension (low blood pressure), dizziness, and severe headaches
Eur J Heart Fail 14(11):11991207 Haghighi K, Pritchard T, Bossuyt J, Waggoner JR, Yuan Q, Fan GC, Osinska H, Anjak A, Rubinstein J, Robbins J, Bers DM, Kranias EG (2012) The human phospholamban Arg14-deletion mutant localizes to plasma membrane and interacts with the Na/K-ATPase
aeruginosa biofilms, combining 1020 mM GSH with DNase and antibiotics reduced biofilm biomass by 90%
Both peptides are administered intranasally at doses of 300-900 g/day, bypassing first-pass metabolism and potentially achieving direct brain delivery through the nose