Gerty Guinea Pig Tasty Mix is nutritionally balanced to meet all sizes and ages of guinea pigs' dietary needs. Maize, oats, wheat, peas, and lucerne provide vitamins and minerals, as well as Vitamin C. Hay should be supplied daily, along with their Gerty Guinea Pig Tasty Mix portion, and access to fresh drinking water should always be available. A small handful of leafy greens should be served daily to bring variety to their diet.