The medicinal value of Blue Xanax bars is higher than the other Xanax bars available in the market. However, they are as effective as any other form, yet people describe them as the highest effective dose of Xanax. Furthermore, it would be best if you took advice from your health advisor for the correct usage of the pills. If a person is taking Blue Xanax bars for the first time, then they should start with the lowest dose.