Extra stabilized vitamin c and fresh fish oil upgrade this complete diet. For freshwater and marine fish. Ingredients: fish meal, brewers dried yeast, soy flour. Oat flour, corn gluten meal, shrimp meal, dried plankton, dried spirulina algae, dried kelp, lecithin, vitamin supplements a, d3, b12, biotin, thiamine (source of vitamin b1), natural coloring, ascorbic acid (source of vitamin c).