- The survey found that Nam Ngư and Chin Su are the most commonly used fish sauce brands across Vietnam. Hanoians prefer Thái Long fish sauce more while people in other cities use Phú Quốc more.
- Both traditional and industrial fish sauce users recognize Phú Quốc, Cát Hải and 584 Nha Trang as traditionally made fish sauce brands, while Nam Ngư, Chin Su, Thái Long and Đệ Nhất are seen as industrially made.
- Most respondents feel skeptical about the fish sauce brands they use due to concerns about arsenic content, and many intend to use less fish sauce or