Alaska Naturals is meticulously formulated from wild Alaska salmon harvested from the world's cleanest waters. Every aspect of our process is carefully monitored from the source to the package, and these natural products contain NO chemical preservatives, NO synthetic flavoring and NO artificial colors. Exceptional purity: Light golden color, not dark and overcooked like other oils. Traceability: We process our own oil in Alaska to ensure freshness and control our product from source to bottle. Quality assurance: We test every batch of oil and have lab reports available. Each bottle is nitrogen purged to ensure freshness.