You may redirect to Global Anabolic Product Authentication Page when you click following link,
*** NOTE ***
Please scratch panel “Authentication Code” to show a 16 digit code. Please enter the 8 digits from the top line followed by the 8 digits from the bottom with no spaces.
For Global Biotech products (HGH, IGF-1, HCG, EPO) scratch panel “Scratch Out to Find the Code” to show a 20 digit code. Please enter this code with no spaces
These are unique codes issued by Global Anabolic to validate the authenticity of your product.