Mussels Provide a Cheap, Sustainable Source of Protein The popularity of seafood is on the rise, with mussels being a particularly affordable and sustainable source of protein. A common misconception is that seafood is expensive, but when factoring in the health benefits, affordability and sustainability of seafood, it becomes a clear choice for any diet. Mussels are one of the most affordable forms of seafood, costing as little as $2 per pound. With a low calorie count and high levels of protein, omega-3 fatty acids, and minerals such as zinc and selenium, mussels are a nutrient-rich food option. Compared to other types of seafood, mussels are also extremely environmentally friendly. They grow rapidly and do not require complex husbandry or feed regimes. In addition, they are filter feeders that clean the water in which they live, making them a valuable part of ocean ecosystems. Mussels can be cooked in a variety of ways, making them a versatile addition to any menu. They can ...