Researchers' findings about sardine skin are prompting many people to rethink everything they knew

Yes, the skin on canned sardines is completely edible.

It goes through the same cooking and canning process as the rest of the fish, which makes it safe to eat. In fact, in most cans, the skin becomes so soft that many people eat it without even noticing.

Keeping the skin also helps preserve some of the natural fats in the fish, including omega-3 fatty acids, which are often associated with heart and brain health.

Yes. Sardine skin contains protein, healthy fats, and natural compounds found in the fish. It can also add extra flavor, especially if the sardines are packed in olive oil or tomato sauce.

Some of the benefits may include:

• more omega-3s
• support for heart health
• a more satisfying meal
• natural collagen from the fish

Because sardines are small fish, they generally contain less mercury than many larger fish, which makes them a practical option for regular meals.

In most cases, no.

Some people remove the skin simply because they do not like the texture or because the flavor can be a little stronger. That is a personal preference, not a safety requirement.

The main thing to watch is the can itself. Avoid cans that are bulging, badly dented, leaking, or rusty.

It is also worth checking the sodium level, especially if you buy sardines packed with added salt or sauces.

Yes.

In canned sardines, the skin becomes much softer because of the cooking and preservation process. That is why it blends easily with the rest of the fish.

With fresh sardines, the skin can feel firmer depending on how the fish is cooked.

From a nutritional point of view, there is no real need to remove it.

Eating the sardine whole allows you to make the most of the fish and its nutrients. That said, it depends on personal taste. If you prefer a milder flavor or a smoother texture in a recipe, you can remove the skin without any problem.

To get the most from canned sardines:

• choose versions packed in water or olive oil
• drain excess oil if needed
• pair them with vegetables, salads, whole-grain toast, or rice
• watch the sodium in the rest of the meal

Canned sardines remain one of the most affordable and nutritious proteins you can keep in your pantry. And yes, the skin is part of what makes them worth eating.