Although the human body doesn't produce Omega-3 fatty acids, it reaps the benefits of Omega-3s. Fish oil capsules are an excellent way to supply the body with Omega-3s on a daily basis. Fish oil benefits the body in a variety of ways. It can help lower blood pressure, and it's known to help regulate various brain issues such as dementia, depression, and ADHD. Fish oil treats dry eyes and menstrual pain. Fish oil can be obtained naturally through ingesting fish; however, since many people do not maintain a diet rich in fish, fish oil supplements are an ideal alternative to provide the body with Omega-3 fatty acids.