This is remarkable fortified food that will keep your tropheus and other fish in top form. This contains over 20% more spirulina then my original spirulina flake! Ingredients: fish meal, dried brewers yeast, soy flour, wheat flour, oat flour, corn gluten meal, dried spirulina algea, shrimp meal, dried krill, fish oil, lecithin, vitamin supplements a, d3, b12, biotin, natural coloring, ascorbic acid (source of vitamin c). Guaranteed analysis: crude protein 45.0% min., crude fat 4.0% min., crude fiber 3.0% max., moisture 8.0% max. All natural ingredients, except for some artificial coloring. No preservatives.