Because the body converts all dietary sources of vitamin A into retinol, 1 mcg of physiologically available retinol is equivalent to the following amounts from dietary sources: 1 mcg of retinol, 12 mcg of beta-carotene, and 24 mcg of alpha-carotene or beta-cryptoxanthin.
The body needs more omega-3 than omega-6 to reduce the risk of heart disease and inflammation. Since olive oil is higher in omega-3 than other oils, sardines in olive oil contain more omega-3 than sardines in water; however, the sardines in water are still the better option with lower amounts of cholesterol and fat.
Sardines are an excellent source of vitamin B12 and selenium. They are a very good source of phosphorus, omega-3 fatty acids, protein, and vitamin D. Additionally, they are a good source of calcium, niacin, copper, vitamin B2, and choline. For an in-depth nutritional profile click here: Sardines.ardines are also a very good source of phosphorus, a mineral that is important to strengthening the bone matrix. Additionally, as high levels of homocysteine are related to osteoporosis, sardines' vitamin B12 rounds out their repertoire of nutrients that support bone health.