Several studies have relatively short follow-up periods and limited sample sizes, which may constrain the evaluation of long-term efficacy and durability
Additionally, it offers nutritional support for a normal, healthy immune system response
GHK-Cus primary contraindication involves copper metabolism disorders, particularly Wilsons Disease, where copper accumulation causes organ damage
However, under more extreme conditions such as: 1) inadequate intake of foodstuffs containing the antioxidants, 2) excessive intake of pro-oxidants, 3) exposure to noxious chemicals or ultraviolet light, 4) injury/wounds, and/or 5) intense exercise, especially eccentric exercise, the body's endogenous antioxidant system is not able to effectively remove excessive ROS production[2]