Why 50mg is the standard vial size Common GHK-Cu vial sizes: 50mg (most popular) 100mg (economy size) 200mg (bulk) 10mg, 20mg (smaller, less common) Why 50mg is ideal: Perfect for 5-10 week protocol Lasts 25-50 doses (depending on dose used) Not too expensive (most 50mg vials $80-150) Easy reconstitution math Reasonable commitment (test if it works for you) Fits standard protocols Cost per dose from 50mg: If vial costs $100 Gives 25 doses at 2mg each = $4 per dose Very affordable for anti-aging Injectable vs topical GHK-Cu Injectable (most powerful): Systemic effects throughout body 80-90% bioavailability Works on skin from inside out Dose: 1-3mg, 3-7x weekly Best for comprehensive anti-aging Topical (easiest): Applied to skin surface Lower absorption (1-2% concentration in serum) Works locally on skin Daily application Best for focused skin improvement Can combine with injectable Which to choose: Injectable: Serious anti-aging, whole-body benefits Topical: Easier, good for skin-only goals Both: Maximum results See our copper peptides GHK-Cu guide , glow peptides guide , glow peptides , and injectable vs oral peptides
The role of acute changes in mBDNF, cortisol and pro-BDNF in predicting cognitive performance in old age
If youre pregnant, trying to get pregnant, or breastfeeding, ask your doctor whether you should limit how much coffee you drink
Muscle is a metabolically active tissue that helps you move, burn calories, and maintain strength
The use of eryptosis in the assessment of toxic parent compounds and their metabolites Eryptosis studies can also be used to compare parent compounds with their metabolites
Animal models of heart failure have shown that increasing SERCA2a expression in cardiomyocytes restores intracellular calcium handling, leading to significant improvements in cardiac function, energetics, and survival 10,11
