Buy yellow Xanax bars they are not referring to a different type of Xanax or a different formulation, it is merely referring to the appearance and how to determine the right dosage. Yellow Xanax bars refer to the color of the pills, which are yellow, and the shape, which is a rectangle. This means the user can be sure of what they’re getting. Yellow Xanax bars marked with “R039” are a 2mg dose.
Often the physician will prescribe the lowest possible dose that can reduce their symptoms by a measurable amount. The 2mg yellow Xanax bars are designed to be broken in half so that two equal-sized doses can be taken in the morning as well as later in the day. When taken as directed by mouth, yellow Xanax bars will begin to take effect inside of an hour or so, and the bloodstream concentration of yellow Xanax bars will peak between 60 and 120 minutes after taking.