Dream vividness sometimes increases, suggesting improved REM cycling
The position this article takes, given those three valid critiques, is that the mechanism evidence is strong enough, the delivery evidence is biologically plausible enough, and the safety window is wide enough that the recommendation is defensible
GHK-Cu possesses significant anti-inflammatory properties, reducing the production of pro-inflammatory cytokines
This is the most frequently reported effect and typically resolves within minutes to hours
Biomarkers like nerve growth factor (NGF), brain-derived neurotrophic factor (BDNF), and oxidative stress markers (e.g., malondialdehyde) are gaining attention for their utility in early neuropathy detection
This causes nerve damage, leading to pain, tingling, and numbness