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Antidepressant efficacy and tolerability of ketamine and esketamine: a critical review

It is not synthetic it is endogenous

There is not enough evidence to answer that

doi:10.1371/journal.pone.0226626 Cho HK, Kim S, Lee EJ, Kee C

Starting Dose 0.3 mg In the phase 2 weight study, dosing started low at 0.3 mg weekly and was raised every 2 weeks to reduce nausea [1]

GHK affect the gene expression of almost 32.1% of human genes
