What is the difference between a national brand and a store brand?

A national brand is a product that is marketed and sold under a brand name recognized across a wide geographic area, often produced by large companies. In contrast, a store brand, also known as a private label, is created and sold by a specific retailer, often featuring the retailer's name or logo. National brands typically have more marketing and advertising support, while store brands usually offer similar quality at lower prices, as they bypass some of the marketing costs associated with national brands.