Harringtons Optimum Guinea Pig Food 2kg is a complementary feed for guinea pigs, containing a single all-in-one nugget to help avoid selective feeding. Vitamin C has been added in a protected form to help keep your guinea pig healthy. It contains a variety of high quality ingredients in a balanced formulation fortified with vitamins & minerals to help support your guinea pig's immune system. We recommend providing unlimited access to fresh hay to supplement your guinea pig's diet & help prevent boredom.