4 kinds of colour enhancer: "Paprika Extract", "Lutein", "Natural Astaxanthin (Phaffia Yeast)" & "Zeaxanthin (Marigold Flowers)" to help boost red pigment, whilst protecting white shiroji Contains Fruit Polyphenol; which helps to protect & support fishes’ livers in functioning more effectively Contains β-Glucan & Plant Lactobacillus to strengthen the fishes’ immunity system Formulated with heat-resistant vitamin C to help protect koi from virus and diseases, as well as reduce stress Includes Probiotics; which helps improves koi’s digestive process, thereby improving absorption and reducing waste output Manufactured with natural ingredients such as top quality fish meal and krill meal which helps promote body and colour enhancement Available in Medium (4mm) and Large (7mm) size pellets.