• william
    npp
    on: 2016-07-01 03:03:02
    why is some vials of npp color clear and some vials a honey color. and does it make a difference in potency
  • IFBB Undercover
    Re: npp
    on: 2016-08-07 16:06:18

    The color has to do with oxidation during production. It has nothign to do with the potency of the product. You will find that different batches of every product will have a slightly different color.