For those in Europe, the Japan Centre is a reliable source for authentic Japanese brands. 3. Artisanal and Craft Producers

A growing movement of domestic producers offers "fresh, never frozen" natto, which many enthusiasts prefer for its superior texture and active probiotics.

For most shoppers, the first stop should be an Asian supermarket. Natto is typically sold in .

Some natural food stores, such as MOM's Organic Market or Whole Foods , carry specific artisanal brands like New York Natto. 2. Online Delivery: Convenience and Variety

Often cited as North America's largest online Asian grocer, Weee! provides a broad selection of traditional frozen brands.

Stores like Mitsuwa Marketplace , Nijiya Market , and Tokyo Central offer the widest variety, ranging from small-bean to black-bean varieties.