Canned Sardines: Are They Good for You? webmd.com/diet/canned-sardi...
"A serving of four sardines contains:
Calories: 100
Protein: 12 grams
Fat: 5 grams
Carbohydrates: 0 grams
Fiber: 0 grams
Sugar: 0 grams
Sardines are an excellent source of these vitamins and minerals:
Vitamin B12
Selenium
Phosphorus
Vitamin D
Calcium
Niacin (Vitamin B3)
Iodine"