Published dose range
Published guidance for cats: 250-500 mg per cat, every 12h.
Source: Merck Veterinary Manual →Essential amino acid for cats. Supplementing is safe; diagnosed deficiency needs vet oversight.
If you think you overdosed
Call the Pet Poison Helpline: 855-764-7661 or ASPCA Poison Control: 888-426-4435. Both are staffed 24/7 by veterinary toxicologists.