Wild Alaska Fish Oil Products – Straight from the Source. High-quality fish oil products start with the source: wild-caught, sustainable Alaska salmon and Alaska pollock. Fish oils are recognized as good for you because they are a natural source of EPA and DHA omega-3 fatty acids. As such, fish oils are important for dogs and cats too. However, not all fish oils are created equal when it comes to freshness, quality, and sustainability. Let’s look at why these things are important and what sets Alaska Naturals® from Trident Seafoods apart.