one of the best things about gnc, and what sets them apart from the 1000s of nutrican shops in town is the "return policy" especailly for reward loyalty members. However, as i just found out, not all gnc's fully understand the satifaction guarentee. case and point, I just came from this gnc and the sales rep was unable to honor my loyalty member return (something I've done in the past with zero confusion). so I literally drove 5 mins away to the other gnc, and was in and out in less then 5 mins. thanks!! so this leads me to believe that the confusion was either a lack of knowledge or lack of intrest. this is an easy fix, train all sales members. read more