aplb glutathione niacinamide body lotion reddit APLB - Tranexamic Acid Niacinamide

Beyond sleep, DSIP has demonstrated a remarkably broad research profile: it modulates the HPA stress axis by reducing basal cortisol and ACTH levels, enhances endogenous opioid signalling to raise pain thresholds without tolerance development, and upregulates antioxidant defence enzymes including SOD, catalase, and glutathione peroxidase

N-acetylcysteine (NAC) is a precursor that can help increase glutathione production, while alpha-lipoic acid helps regenerate glutathione and other antioxidants

GHK-Cu requires careful formulation to prevent oxidation and maintain efficacy

The cited sources concern separate experimental systems, not this combination product

Both seem synergistic

"Comparison of the Effects of KE and AED Peptides on Functional Activity of Human Skin Fibroblasts during Their Replicative Aging." Bulletin of Experimental Biology and Medicine