Libby's Summer Fruits C refreshingly fruity The naturally crisp sweetness of apples, cherries and strawberries in a deliciously refreshing drink that's full of Vitamin C goodness. 80% of your RI of vitamin C Vitamin C is important in the maintenance of healthy skin and the immune system. A 200ml glass of Libby's Summer Fruits C will give you 80% of your reference intake.. With extra vitamin C. Free from artificial flavours & colours. Libby's.