Caviar, specifically sturgeon eggs, is mentioned as a highly prized and expensive fermented food with high omega-3 content. The discussion notes its resurgence due to fish farming. Omega 3 being high in caviar sounds beneficial to the user.
"The host asked "This is Caviar?" and the speaker describes caviar as the most expensive food on the planet due to its rich nutrients and farming reasons. It is something to consider to purchase."