The NVC Uri Catcare 30 Capsules from NAF should last around a month or two depending on the weight of your cat.Pack of: 30 capsulesInstructions for useUp to 4kg = 1/2 capsule per day 4kg plus = 1 capsule per dayIngredients LabelIngredients (per kg) Composition N-Acetyl-D-Glucosamine (from fermentation), Hydrolysed Poultry Protein, Fish Oil. Additives (per kg) Nutritional: Amino acids: L-Tryptophan (3c440) 125,000 mg; Vitamins: Vitamin E (3a700) 50 I.U. Antioxidant: Tocopherol, Extract from veg oil (Vit E, 1b360 (i)) 100 mg. Analytical constituents Crude protein 44.8 %, Crude fats and oils 9.54 %, Crude ash 9.2 %, Crude fibre 0.4 %, Acid Insoluble Ash 6.31 %, Sodium 0.39 %, Omega 3 fatty acid 4 %. Key Ingredients per capsule N-acetyl-D-Glucosamine 167 mg L-Tryptophan 50 mg Vitamin E 60 µg Fish Oil (Omega 3 source) 83 mg