Sep132012 Free TrueBar at GNC! Free TrueBar at GNC! Looking for a gluten-free snack? Rush to print a new GNC coupon, valid for one free TrueBar! Just click here to get the coupon. Then head to any participating GNC location through 9/14. There is a limit of one per person. Free is my favorite price! Join the Discussion Share this Post 2 Related Deals Free Bic Cover-it and Pens at Dollar Tree! Free SuperPretzel Bites at Dollar Tree, Starting 12/8! Free Maybelline Lip Color at Dollar Tree, Starting 12/8! Anonymous This coupon looks kind of fake to me. Has anyone used it successfully??? Anonymous It looks exactly like all other GNC coupons.