Top 15 Foods With More Calcium Than Milk FacebookTwitterPinterestWhatsApp - Advertisement - Sardines www.precisionnutrition.com Sardines are rich in calcium because of the soft, edible bones. One can (92 grams) of sardines provides 35% of your calcium RDI. This oily fish also has a high content of protein and omega-3 fatty acids for a healthy heart and brain. PrevNext - Advertisement -