GNC

GNC, established in Pittsburgh since 1935, is the world's largest supplement store chain. There are over 6,000 GNC locations in the United States and franchise operations in 50 countries worldwide. You can get dietary supplements and sports nutrition products of world-class quality at GNC stores on Guam to support your best wellness and fitness.

Phone #: 475-1688 (Micronescia Mall)
                     642-1688 (Pacific Place, Tumon)

Website: www.gncguam.net