There's no chemical incompatibility between GHK-Cu and retinol - they work through entirely different pathways - but if your skin is sensitive or you're new to one or both, give them separate evenings until you know how your skin responds
Interestingly, while GLRX-5, GLRX-10, GLRX-21 and GLRX-22 are formal glutaredoxins ranging between 100 and 140 amino acids, GLRX-3 is a much larger isoform at 345 amino acids
This powerful blend brightens the skin, minimizes wrinkles, and supports overall well-being by delivering a potent combination of antioxidants, vitamins, and amino acids directly into the bloodstream for fast and visible results

:Basic cofactors consist of: Vitamins A and Vitamin D (11,000 IU and 3000 5000 IU respectively) Vitamin C at 4000+ mg per day Vitamin E B vitamin complex with P5P, biotin and pantethine (without including cyano B12 or folic acid) A 1:1 magnesium:calcium supplement Zinc, 50 mg per day Omega 3 fatty acids, 2-6 caps per day Optional Basic Cofactors include: Glycophospholipids Additional pantethine Multimineral supplements (choline, selenium) Alpha lipoic acid D-Ribose CoQ-10 Titrate B12s while adjusting methylfolate and potassium Methylcobalamin (MeB12) should start at 15-20 mg per day Adenosylcobalamin (AdoB12) should start at 10 mg per week Titrate methylfolate to sufficiency, starting at 1 mg Titrate L-carnitine fumarate (LCF) to effectiveness, starting at 125 mg per day and aiming for 500-1000 mg per day, stopping when an increase of 250 mg makes no difference