Fish is full of omega-3 fatty acids and vitamins such as D and B2 (riboflavin). Fish is rich in calcium and phosphorus and a great source of minerals, such as iron, zinc, iodine, magnesium and potassium. The American Heart Association recommends eating fish at least twice a week as part of a healthy diet. Fish is an important part of a healthy diet.
They are a lean, low-calorie source of protein. However, some fish may contain chemicals that could pose health risks if consumed in large quantities.