Guinea pigs can eat oranges, apples, blueberries and bananas. However, fruit is high in sugar so fruit should only be given to guinea pigs once a day as a special treat. More »

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According to About.com, blueberries are an acceptable food for guinea pigs. This fruit contains vitamin C, and it is essential that guinea pigs get an adequate amount of the nutrient. Otherwise, they develop scurvy, a se... More »

Feeding kale to a guinea pig once or twice per week is safe. Kale is a good source of vitamin C, which is necessary in a guinea pig's diet. However, it is also a significant source of calcium, which is harmful to guinea ... More »

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Some fruits that are high in soluble fiber are raspberries, bananas, apples, blueberries and citrus fruits, such as oranges and grapefruit. Other fiber sources include plums, pears and prunes. More »

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Guinea pigs can eat a wide variety of produce and are most happy when provided with leafy greens and colorful bell peppers. Carrots, apple slices, berries and other fruits should be used sparingly due to their high sugar... More »

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Guinea pigs can eat cabbage, although they should only be given no more than approximately 1/3 pint per day. The rest of the guinea pig's diet should consist of grass and hay, which both must come from high-quality sourc... More »

Red ripe tomatoes are considered a safe food for guinea pigs, but only the ripe fruit should be fed to guinea pigs. Green tomatoes, tomato leaves and stems contain toxic compounds that can make guinea pigs ill. More »