Endurosyn feline oral gel is a unique, patented oral nutritional supplement formulated with amino acids, electrolytes, vitamins, fatty acids and lactic acid bacteria to support your cat's immune system, digestive system and overall health. When given as directed, this palatable gel helps maintain energy and well-being. It also provides a healthy electrolyte and microbial balance in your dog's digestive system during stressful situations like trips to the vet or training sessions.