Cartrophen Vet is a prescription canine chondroprotectant solution designed for subcutaneous administration in dogs to provide dog joint support under veterinary guidance. Each mL contains Pentosan Polysulphate Sodium 100 mg, with benzyl alcohol as a preservative, sodium phosphate buffers, and water for injection (DIN 02082101). Supplied in a 10 mL vial at 100 mg/mL, this sterile solution is intended for veterinary use. Ideal for pet parents seeking veterinary-directed dog joint support with a trusted injectable formulation.