There are no reports for an LD50 for GHK without copper, so it must be very nontoxic
The pharmacokinetic parameters in this study were as follows: maximum plasma concentration (C max ), time to reach the maximum plasma concentration (T max ), area under the plasma concentrationtime curve from 0 to 72 h (AUC 0-72 ), area under the plasma concentrationtime curve from time 0infinity, absolute bioavailability, accumulation ratio, mean residence time (MRT), volume of distribution (Vd), total clearance (CL), and elimination half-life
Astaxanthin and improvement of dementia: A systematic review of current clinical trials
Hair Loss: A high dosage of glutathione can cause hair fall
Preparation of Saline: Dissolve 0.9 g sodium chloride in ddHO and dilute to 100 mL to obtain a clear Saline solution