Canned Tuna: Is It That Bad For High Blood Pressure? (Expert Answer)
✪ Key Takeaway: Canned tuna can be good for high blood pressure if you choose low-sodium versions, but regular canned tuna is often loaded with salt that raises blood pressure. Introduction You stand in the grocery aisle staring at rows of canned tuna wondering if this convenient protein will spike your blood pressure. You might be asking this question because you have heard conflicting information about canned tuna being both healthy and harmful for your heart. Hi, I am Abdur, your nutrition coach and today I am going to explain exactly how canned tuna affects your blood pressure and which types you should choose or avoid. What Makes Canned Tuna Different From Fresh Tuna? Fresh tuna contains almost no sodium naturally, with just 40 to 50 milligrams per 100 grams. Canned tuna gets packed in either water or oil along with added salt for preservation and flavor enhancement. This processing step transforms a heart-healthy fish into a potential blood pressure problem depending on how much salt gets added. Regular canned tuna in water contains between 200 to 400 milligrams of sodium per serving, which is about 10 times more than fresh tuna. Some brands pack their tuna with even more salt, reaching up to 600 milligrams per small can. The canning process itself does not harm the beneficial omega-3 fatty acids and protein that make tuna valuable for heart health. The real issue lies entirely in the sodium content that manufacturers add during processing. ✪ Fact: A single can of
