Omega 3 can help maintain a healthy omega-3 to moega-6 when following a high-fat diet. It can be found in salmon, sardines, oysters, herring, and mussels. (If you are not a big fan of seafood, you can consider cod liver oil or krill oil. Avocado, olive oil, chia seed and flaxseed are definitely good alternative sources which also offer healthy polyunsaturated and monounsaturated fat that your body needs to perform at its best. When shopping for omega-3 supplements, choose a reputable brand that provides at least a combined 500 mg of EPA and DHA per 1,000 mg serving.