Aspergum is the United States trademark name for an analgesic chewing gum, whose active ingredient is aspirin. Aspergum is owned by Retrobrands USA LLC. Aspergum contained 227 mg (3½ grains) of aspirin, and was available in cherry and orange flavors. This product was generally used for the analgesic, anti-inflammatory, and anti-pyretic properties of its active ingredient. The Aspergum trademark is currently owned by Insight Pharmaceuticals, the same company that produces the aspirin and caffeine based Anacin.