Most people know omega-3 fish oils are good for health – especially heart health. But what many people might not realize is that these friendly fats can also be beneficial to your workouts. Research has linked omega-3s to better exercise performance – making them a potentially valuable supplement for people who train regularly. Omega-3 fatty acids are special fats found mainly in fish, seafood, nuts, and seeds (such as walnuts and flaxseed), as well as some plant oils. The main forms of omega-