Gut microbes shape systemic immunity through diverse mechanisms, including modulation of antigen presentation, macrophage polarization, and T-cell trafficking [16,17,18,19]
The decision depends on your specific situation, your tolerance for uncertainty, and your willingness to use a compound whose clinical track record is, frankly, disappointing despite its theoretical promise
GHK-Cu is a coordination complex formed when the naturally occurring tripeptide glycyl-L-histidyl-L-lysine binds copper
Since glutathione is a naturally occurring antioxidant in your body, supplementation simply helps restore levels that decline due to age, UV exposure, and environmental stressors