The Oxbow Animal Health Natural Science Vitamin C Small Animal Supplement is a hay-based, high-fiber supplement containing the essential stabilized vitamin C that guinea pigs need! The vitamin C small animal supplement is essential in promoting a healthy life for your guinea pigs, and other animals may benefit from it as well to promote overall health. Apply a few drops of the guinea pig supplement to your pet's water bottle, or mix a few drops into their kibble. This vitamin C small animal supplement is formulated with the guidance of leading veterinarians and nutritionists and contains no artificial flavors, colors, or preservatives. Guinea pig supplement formulated with stabilized Vitamin C for guaranteed intake High fiber Timothy hay supports a healthy digestive system in guinea pigs and other small animals Highly palatable for small pets Vitamin C small animal supplement exerts anti-oxidative and immune-stimulating properties Formulated with the guidance of leading veterinarians and nutritionists Contains no artificial flavors, colors, or preservatives