If you do not have health problems and are considering taking supplements to support your health, short-term use is generally safe
(2000) Metabolic Studies of a Synthetic Lipolytic Domain (AOD9604) of Human Growth Hormone Horm Res 53(6):274278
Arch Neurol 52:559564 Salamon S, Kramar B, Marolt TP, Poljsak B, Milisav I (2019) Medical and dietary uses of N-acetylcysteine
After the plasma membrane carrier-mediated GSH release from the cell, GSH becomes accessible to the active site of - glutamyl transpeptidase, which catalyzes the breakdown of the GSH - glutamyl bond forming two fractions: The -glutamyl fraction and the cysteinyl-glycine by transferring the -glutamyl fraction to an amino acid acceptor, forming -glutamyl-amino acid
Niacinamide: Helps improve skin barrier function, reduce redness, and minimize pores