Just like us, what a dog eats at Each stage of life has a powerful effect on their growth, strength and total well-being. That's why the OPTIMUM range of trays have been developed with high quality protein sources to ensure increased nutrient absorption and superior BIOAVAILABILITY. This means that high levels of nutrients are absorbed by their body so that your puppy or dog can get the most out of their food and more out of life. BIOAVAILABILITY OPTIMUM Nutrient Absorption No Artificial Colours, Flavours or Preservatives: The OPTIMUM range of trays are Australian made, use real meat and premium ingredients, without any artificial colours, flavours or preservatives. Supports Natural Defences: Enriched with Antioxidants Australian Made