/b/sixpacksmackdown/posts/gnc-now-has-muscletech-performance-series-products-online-and-in-storesAccording to the MuscleTech Facebook Page: Attention MuscleTech Shoppers! GNC is proud to have MuscleTech Performance Series products for sale in store and online now! Check them out today and get the results you want and deserve! Visit the GNC websien-USTelligent Community 11 Non-Production