CJC-1295 is also known by the names of Modified GRF 1-29, Mod GRF 1-29, CJC-1295 without DAC (DAC stands for Drug Affinity Complex) and also by its chemical name tetrasubstituted GRF (1-29)The original GRF (1-29) has a half-life of about 30 minutes. When the DAC component was added, this allowed the..