Lamberts Omega 3 Ultra pure fish oil 1300 mg is a dietary supplement with omega 3 fatty acids from fish oils. It is of high purity and quality, free from heavy metals and produced by a 5-step molecular distillation process. Of this group of ω3 fatty acids stand out polyunsaturated EPA (docosahexaenoic acid) and DHA (docosahexaenoic acid).