The TB-500 being sold online is just a small, synthetic fragment of that protein
In other words, you get B12 at the same rate you use it
Man in t Veld A, Boomsma F, Lenders J, vd Meiracker A, Julien C, Tulen J, Moleman P, Thien T, Lamberts S, Schalekamp M
BENEFITS Telomere research studied for its potential role in telomerase activation and telomere length maintenance Cellular longevity investigated in fibroblast culture models for proliferative capacity Circadian biology explored for its influence on melatonin rhythms and pineal function Antioxidant pathways studied in oxidative stress and redox-balance research models Single-compound simplicity short tetrapeptide structure, well-characterized in published literature WHAT RESEARCHERS LOOK AT Telomerase enzyme activation in human somatic cell lines Telomere elongation in cultured fibroblasts Pineal gland modulation and melatonin secretion patterns Gene expression effects (CCL11, HMGB1) in aging research models Long-term cellular proliferation studies and Hayflick limit research

Reconstituting GHK-Cu means dissolving that powder in an appropriate diluent typically bacteriostatic water (sterile water containing a small percentage of benzyl alcohol, which suppresses microbial growth in a multi-use vial)