A 2015 study used 150mg of a similarly administered form of glutathione, which is a good 33% higher than the Quicksilver dosage.22 But there's a silver lining in that Quicksilver is easy to titrate up as needed, and just an additional pump will get you up to that 150mg threshold (though at the expense of shrinking its use life)
Some researchers suggest alternating nights for GHK-Cu and retinoids, or using them at different times of the day, to prevent potential irritation or reduce the efficacy of certain compounds
In: Lpez-Otn C, Galluzzi L, editors
Very small individuals (under 50kg) might start at the lower end of dose ranges
In turn, this may increase risk of atherosclerosis, cardiovascular disease, insulin resistance, and Type 2 diabetes