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In vivo and in vitro studies confirmed that PQ induced neurotoxicity and oxidative stress via overproduction of ROS and decrease in GSH and antioxidant enzyme levels (77-79)

This is why people who are chronically stressed or dealing with adrenal fatigue symptoms are highly encouraged to take B vitamin complex supplements

Arch Biochem Biophys 564:5266

Draw the intended dose, then check for air bubbles and push any out