Hours Of Operations GNC Ontario St. Catharines GNC Hours of Operation and Locations in St. Catharines, ON 4.9 - 150 votes 1 Locations in St. Catharines GNC Hours Category: Beauty & Health GNC - St. Catharines, ON AAAAA 221 Glendale ave, L2t2k9(905) 682-2197 View Store Details Explore St. CatharinesView More Apparel CostcoCarharttAeropostale Sports Costco Jewelry CostcoZales Recommend For You Cotton on Bally Total Fitness Eastern Mountain Sports Trader Joe's The Athlete's Foot Diane's Beachwear Bottega Veneta Hanna Andersson Louis Vuitton Sportsman's Warehouse