Expert Reveals Healthiest Canned Fish Choices and Mercury Levels at Supermarkets

Madrid, Spain – A recent video by nutritionist Carlos Ríos, known for his 'Realfooding' movement, has shed light on how to make healthier choices when purchasing canned fish from supermarkets like Mercadona. Ríos emphasized the importance of avoiding products preserved in refined sunflower oil or escabeche, advocating instead for options packed in natural water or olive oil. The nutritionist provided a ranking of popular canned fish based on their mercury levels, a concern for many consumers. According to Ríos, tuna and bonito tend to have moderate to high mercury content, while mackerel has a moderate level. Melva and natural salmon are considered to have low to moderate mercury. Sardines and anchovies were highlighted as having very low mercury levels, making them excellent sources of Omega-3 fatty acids. Mussels and cockles were praised for having almost zero mercury and being rich in micronutrients and protein. Regarding consumption, Ríos referenced guidelines from the Spanish Agency for Food Safety and Nutrition (AESAN), recommending that adults consume a maximum of three cans of tuna per week. For children and pregnant women, the advised limit is one can per week. This advice aims to help consumers enjoy the nutritional benefits of canned fish while minimizing potential risks associated with mercury.

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