Fish oils are a natural source for the Omega-3 fatty acids. This nutrient is very beneficial to your nervous system and brain. Fish oils are hard to come by, yet very helpful to your body, so fish oil softgels are an easy way to get the Omega-3 fatty acids you need, without going deep sea fishing. From what I've seen the prices are extremely cheap also. It seems to be about 5 to 7 dollars for about 45 softgels.