Tuna is a large migratory fish belonging to the mackerel family (Scombridae) within the order Perciformes. It has a lifespan of 10 to 20 years, and depending on the species, some can grow to over 3m in length and weigh more than 300kg.

Tuna is well known as a "neta", an ingredient for sashimi and sushi. It is also famous for being rich in high-quality protein (especially in the lean red meat) and unsaturated fatty acids such as DHA and EPA (particularly in the fatty "toro" cuts). Additionally, it contains high amounts of vitamins A, D, and E, and the dark flesh (blood-rich parts) includes iron, and taurine which supports liver function.

From the Yakuzen perspective, tuna is a warming-natured fish and helps replenish Qi and blood. It is particularly beneficial for people who suffer from cold sensitivity or tend to get fatigued easily due to a weak constitution.

Yakuzen Classifications
Nature – Warm （温）
Channels – Liver (肝), Spleen (脾)
Flavor – Sweet (甘)

How does tuna help you?

1. Replenish Qi and blood
2. Promote the blood flow
3. Warm your body up
4. Promote liver function

Good for the following symptoms

1. Fatigue
2. Sensitive to cold
3. Dizziness due to Qi deficiency
4. Poor appetite due to Qi deficiency

Japanese home dishes with tuna

1. Kaisen Chirashi (Chirashi-sushi with seafood)

Gentle Reminders

• It’s important to understand your own body condition before choosing foods.
• Avoid overeating any one type of food.
• Do not eat foods you are allergic to.
• Certain foods may need to be avoided during pregnancy or if you have a medical condition—please check with your doctor before starting Yakuzen.