This is a wider biological footprint than most therapeutic peptides, which is part of why GHK-Cu has been investigated for everything from skin and hair to wound healing, bone repair, and even cognitive function
Chatterjee, S., Kundu, S., Bhattacharyya, A., Hartinger, C
Newer liposomal oral forms have improved on standard oral absorption, but injectable GSH remains the most direct way to raise circulating levels
According to the NICE Clinical Knowledge Summary (CKS) and the British National Formulary (BNF) , the standard treatment for B12 deficiency without neurological symptoms involves: Hydroxocobalamin 1 mg intramuscularly three times weekly for two weeks Followed by maintenance doses of 1 mg every three months For patients with neurological symptoms (such as paraesthesia, numbness, cognitive changes, or gait disturbances), more intensive treatment is required: Hydroxocobalamin 1 mg intramuscularly on alternate days until no further improvement occurs Followed by 1 mg every two months for maintenance Pernicious anaemia , an autoimmune condition where the body cannot produce intrinsic factor, requires lifelong treatment
[Measurement of glutathione] [PMID: 10543230] Laboratory literature summary: [Measurement of glutathione]
A role of the enzyme in modulating stress responses by controlling JNK activity was also proposed 56, 57