Tuna saku refers to premium cut of tuna (typically yellowfin) ideal for sushi, sashimi, poke, and seared preparations.
 
The Japanese term "saku" means block, and these blocks are skinless, boneless, and uniformly trimmed from tuna loins center for consistent slicing into nigiri or tataki. Offers high nutritional value from yellowfin tuna, packed with lean protein, omega-3, and essential vitamins for health benefits.