Bonito has been treasured as an essential ingredient in Japanese cuisine for centuries. Its rich flavor is most famously enjoyed as katsuobushi (bonito flakes), which are used daily in Japanese homes to prepare dishes like miso soup, nimono (simmered dishes), and countless other recipes. When simmered, bonito creates a beautifully fragrant dashi broth, considered the heart of Japanese umami, forming the base of many traditional meals.

As well as being a culinary staple, bonito is highly valued in Yakuzen for its health benefits. It is closely connected to the kidney and spleen meridians, making it particularly beneficial for those who are sensitive to cold, often feel fatigued, or struggle with weak digestion. Bonito is known to gently warm the kidneys and stomach, replenish Qi and blood, and provide steady energy. Its nourishing qualities also support circulation and help improve nutrient absorption, which is especially helpful for people recovering from illness or dealing with low vitality.