One of the biggest concerns with modern seafood is mercury poisoning and microplastics. Large predatory fish like Tuna, Swordfish, and King Mackerel live a long time and eat many smaller fish, causing toxins to “bioaccumulate” in their flesh.
Sardines are at the bottom of the food chain. They eat plankton and have very short lifespans. This means they don’t have time to accumulate high levels of mercury, making them one of the safest fish for regular consumption, even for pregnant women and children.
3. Environmental Sustainability
Overfishing is a global crisis. However, sardines are incredibly resilient. They reproduce quickly and in massive numbers. Choosing sardines over larger fish like Salmon or Tuna reduces the pressure on endangered species and delicate marine ecosystems. Furthermore, tinned fish has a massive shelf life, which significantly reduces food waste compared to fresh seafood.
4. Affordability and Accessibility
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