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does ghk cu lose effectiveness over time long term use Frontiers GHK-Cu Copper Peptide: Dosage, Before
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They also induce oxidative stress and may interfere with epigenetic regulation, amplifying their carcinogenic potential [184]

Reactions don't improve with continued use
Except the effects on various gastrointestinal lesions, the healing effects of BPC 157 have also been reported on pancreas, liver injuries, endothelium, heart damage and pseudoarthrosis

Vitamin B12 deficiency may cause numbness and tingling in the hands and feet, cognitive impairment, and reduced neurotransmitter production in the brain and spinal cord
