What are the ingredients in Optimal Fish Oil sourced from? Education Team March 23, 2023 03:53 Updated Follow Ingredient Source Fish Oil Concentrate Alaskan Pollock Related articles Who is Optimal Fish Oil intended for? Is the source of Optimal DHA fish oil clean and tested? What are the ingredients in Liposomal Vitamin C Plus sourced from? How do I take Optimal Focus? Does Optimal Fish Oil contain gluten or grains? Comments 0 comments Article is closed for comments.