Sardines and anchovies identified as high-calcium, omega-3 rich foods

Certain types of fish, specifically sardines and anchovies, offer significantly higher levels of calcium and omega-3 fatty acids compared to milk.

Sardines are noted for being exceptionally nutrient-dense. According to USDA data, 100g of sardines consumed with soft bones provides approximately 382mg of calcium, which is more than three times the amount found in 100g of fresh milk. They are also a major source of omega-3 fatty acids (EPA and DHA), providing between 1,000mg and 1,500mg per 100g. This combination of nutrients, along with vitamin D, magnesium, and B12, supports bone health and cardiovascular stability.

Anchovies, particularly dried varieties, serve as another potent source of calcium. While 100g of fresh anchovies contains about 36.3mg of calcium, the dried version can contain between 378mg and 500mg per 100g, roughly four times the calcium content of a standard glass of milk.

Consuming sardines once or twice a week is associated with a lower risk of cardiovascular mortality. These small fish are also considered a healthy alternative to red meat due to their high protein content and lower levels of saturated fats.