Quell kitty tummy troubles quickly with Van Beek Natural Sciences Diagel for Digestive Issues for Cats. This easy-to-administer oral gel helps support proper GI function, with a fast-acting formula that can produce improvement in just 24 hours. Use it at the first sign of GI upset or in conjunction with antibiotics to minimize digestive disruptions. Comes in a convenient pre-filled syringe with a 0.5-ml kitten-size syringe or a 1 ml size for adult cats.