When Nordic Naturals first started, they gave customers their first taste of quality fish oil. Exceptional purity and freshness were keys to their success. Today, they remain benchmarks of the product quality and effectiveness you should expect. Their omega-3 products are derived from fish sourced from some of the cleanest waters on earth, and all fish oils are boiled in an oxygen-free, nitrogen-rich environment to promote freshness. This guarantees effective, great-tasting fish oil in each serving. Nordic Naturals’ range of fish oils, probiotics, vitamins, and more, are non-GMO, dairy and gluten free. Plus, they never use artificial flavors, colors, or preservatives.