EFX SPORTS is a premium sports nutrition company. When your body is your business, you can’t rely on just anything to fuel it. That’s why now more than ever, hard-training Athletes are relying on EFX Sports products to gain the competitive ‘edge’ they need. Their products are proudly made at All American Pharmaceutical, their U.S. based, 150,000 square foot Research and cGMP compliant Manufacturing facility. One of our most popular EFX Sports products is EFX Sports Karbolyn Powder.