Ammonil (DL-Methionine Tablets) 200 MG by Daniels Pharmaceuticals Indication: For use as a urinary acidifier in dogs and cats. Each tablet contains: DL-Methionine ........ 200 mg Dosage Cats: The suggested dose of Ammonil Tablet 200 mg for adult cats is 1 tablet per 10 lb of body weight 3 to 4 times daily with food. Not intended for kittens. Dosage Dogs: For dogs one tablet per 10 lbs body weight once or twice daily with food. Dosage should be adjusted to maintain urine pH consistently below 6.6 A prescription is required for this product. Click here for details