The New Life Spectrum Naturox Optimum All Purpose Flakes are a high-quality, more sustainable option for your fish. These flakes are made from South Antarctic Krill, Herring, Squid, and New Zealand Mussel proteins, and they’re colored with a natural blue/green/orange blend that helps give your fish a healthy glow. The garlic and thera-A formulas are also included, so you’ll have a complete package.