In practice: Topical GHK-Cu (1%) = ~25 mM total copper equivalents
The groove is at the junction of the ulnar bone and wrist
Peripheral benzodiazepine receptors in patients with chronic schizophrenia: a PET study with [11C]DAA1106
While even extremely high doses of GHK-Cu are unlikely to cause any adverse reactions, Pickart has estimated that the peptide can produce toxic action and start lowering a subjects blood pressure starting from an astronomical dose of about 22,500mg [13]
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Toxicology 412:2936 Zhong X, Liu M, Yao W, Du K, He M, Jin X, Jiao L, Ma G, Wei B, Wei M (2019) Epigallocatechin-3-gallate attenuates microglial inflammation and neurotoxicity by suppressing the activation of canonical and noncanonical inflammasome via TLR4/NF-B pathway