O.S.I. VividColor� Flakes contain O.S.I.`s highest concentration and greatest variety of natural color-enhancing pigments to increase the beautiful, natural colors of your fish. O.S.I. VividColor Flakes are guaranteed to bring out your fishes` beautiful colors safely, brilliantly and naturally. No hormones are added that could unnaturally color your fish or affect their behavior.CONTENT ANALYSIS: Crude Protein (min) 46%, Crude Fat (min) 5%, Crude Fiber (max) 4%, Moisture (max) 8%.