Burgess Nuggets with Blackcurrant & Oregano Adult Guinea Pig Food is a portion of delicious, complementary food for guinea pigs that is high in fibre and Vitamin C and rich in nutrients. Due to the popularity of our Excel Tasty Nuggets for Guinea Pigs, we?ve added an extra Protein Source variety to this range, which contains blackcurrant and oregano which guinea pigs just love!