Salmon vs. Tuna: Which Sushi Choice Is Better for Protein and Healthy Fats?

Medically reviewed by Jonathan Purtell, RDN Tuna contains more protein, but salmon may be best for frequent sushi consumption due to lower mercury levels.Credit: Design by Health; Getty Images Tuna provides slightly more protein per serving than salmon, though both are excellent sources of protein. Sushi made with salmon contains more healthy fats and omega-3 […]