Science Selective Guinea Pig food is recommended by vets and provides a tasty balanced diet for guinea pigs with natural ingredients including dandelion and fennel. It's high in fibre to help promote healthy teeth and tummies and has added vitamin C to help keep your guinea pigs in the very best of health. With forage as the main source of fibre, Selective contains lots of other tasty, natural ingredients too - linseed with Omega 3 and 6 that help to keep the thickness, colour and shine of your rabbit's coat in tip top condition. Selective also has natural prebiotics to help promote friendly bacteria to help keep bunny's tummies happy and healthy. Feeding Guidelines - A typical adult guinea pig requires approximately 40- 50g per day of Supreme Science Selective Guinea Pig food. Fresh hay and water should always be available.