!! MAXIMUM BOTTLES PER ORDER IS 50 BOTTLES FOR PRODUCTS SAFETY !! !! ALWAYS CHANGE YOUR COURIER TO JNT UPON ORDER CONFIRMATION FOR FAST DELIVERY!! Papi Nacalvit-C is an antioxidant that hels regenerate Vitamin E. It improves immune function by enhancing white blood cell function and activities. It increases the blood level of interferon and antibodies. It also helps dog athritis and regenerative joint diseases and other spinal disorders by maintaining the health of collagen. For all life stages. Please see photo for more details.