Sardines are small, oily fish that can be eaten whole.
Given that the organs are usually the most nutritious parts of an animal, it is not surprising that whole sardines are very nourishing. They contain a little bit of almost every nutrient that your body needs and are nearly nutritionally perfect (31). Like other fatty fish, they’re also very high in heart-healthy omega-3 fatty acids.
Small, oily fish like sardines are usually eaten whole, giving you the organs, bones, brain and other nutritious parts. They contain a little bit of almost every nutrient you need.