Is Sushi made with seed oils?
Depends
Mostly not, with some exceptions
Rice, fish, and nori are clean. Spicy mayo, tempura rolls, and some sauces bring in seed oils.
How to keep it seed-oil-free
Skip spicy mayo and tempura rolls; stick to nigiri and simple rolls.
Eating out? Seed Oil Tracker grades 500+ chains and 50,000+ menu items by their seed oil (PUFA) content. See the chain rankings or browse every report card.