TetraMinnow features ProCare, a health-enhancing blend that contains: Omega-3 fatty acids to give fish the healthy fat needed for energy and growth, immune boosting ingredients and a biotin supplement to bolster metabolism. TetraMin Flakes are scientifically developed with immune boosting ingredients and mega doses of select vitamins. These ingredients not only promote a longer healthier life of your fish but also help control disease and stress. TetraMin Flakes unique design also ensures that they will not cloud your tank water. INFO FROM UNITED PET GROUP