- around 20 mandarins per set - produce of Australia = = = = = = = = = = = = = = = = = = = = = = = = = = = = = Mandarins contain Vitamins A, B, and a high level of Vitamin C which is great for preventing infections, removing free radicals, and supporting skin health. The Vitamin C found in mandarins works to stop colds and keep your immune system functioning properly so you can fight off any nasty bugs that come your way!