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.
Because studies are revealing health benefits of sardines which may surprise you. As most of us probably know, as with many types of seafood, sardines are full of fatty acids including Omega 3. Omega 3 fatty acids are polyunsaturated fatty acids which promote joint health. Not to mention the plethora of other benefits it provides.