The composition of fish oil, any is 0% water, 0% carbohydrates, 0% protein, 0% dietary fiber, and 100% fat. If you consume you will get 0 grams of protein. It is equal to 0 percent of the 46 grams of protein women should include in their daily diet and 0 percent of the 56 grams men need on a daily basis. That same it has an energy value of 3774 kJ (902 Calories) in a 100 g (3.5 Oz) amount and is not rich in vitamins. It contains low amount of minerals.