B12 For Cats (1 fl. oz.) is THE product you didn't know your cat needed! It's a natural, bioavailable, non-synthetic vitamin B12 in liquid form and supports the health of your cat's immune system, nervous system, digestive system & cognitive function. This B12 supplement is superbly more effective to cats than its synthetic counterpart, cyanocobalamin, because it is absorbed more readily by the body. It's wonderful for senior cats who just don't absorb B12 as they used to in their younger years. Get your cat on the road to excellent health by adding B12 For Cats into their daily diet! Made in the USA. Helps with: Immunity Health Kidney Health Nervous System Health Pancreas Health Gastrointestinal Health Cognitive Health Increases Appetite Instructions: Keep refrigerated. Adult cats: 1/2 (.5) ml dose once per day (250 mcg) Kittens: 1/4 (.25) ml dose once per day (125 mcg) Safely double the dose for cats with chronic illness. B12 can be administered in food or water, though it's recommended in food to get the full dosage. *Not a topical formula so do not spray or mist Safe to use in conjunction with other holistic solutions. Active ingredient: 250 mcg methylcobalamin | serving size .5 ml | servings per container 60. Other ingredients: vegetable glycerin, purified water No fructose, fillers, or artificial ingredients Side Effects: Improved appetite, increase in energy and vitality, improvement in cognitive and neurologic systems, weight gain in malnourished cats. Response times may vary. Safe for cats and dogs.