Supreme Science Selective 4+ (Mature) Rabbit is a complete, balanced, fiber rich feed for rabbits aged 4 years and older. Selective 4+ Rabbit with Timothy hay and thyme for the changing dietary needs of elderly rabbits. The composition of Selective 4+ Rabbit has a layer of sugar and protein to prevent excess weight in older, less active rabbits. Supreme Science selective is a well mixed feed with extra vitamin C to prevent the rabbit from selective eating, so that it ingests all ingredients. No added colorants.