HyaFlex for Cats 30 ml (1 oz) Oral Hyaluronic Acid. Feline Hip and Joint Formula For Feline Oral Use Only. mended to Support Healthy Joints Directions for Use: One time daily. 1-5 lbs: 0.5ml 6-10 lbs: 0.75ml 11+ lbs: 1.0ml 1 dropper Product Facts Active Ingredient per 1 ml (1 Full Dropper) Hyaluronic Acid 2 mg Inactive Ingredient: Normal Saline Cautions: Safe use in pregnant animals or animals intended for breeding has not been proven. If animal's ion worsens, or does not improve, stop product administration and consult your veterinarian Warnings: For animal use only. Keep out of reach of children and animals. In case of accidental overdose, contact a health professional immediately. Store at room temperature. Do not use if safety seal is broken