A 5-liter bottle of pharmaceutical-grade glycerin, which is a clear, viscous liquid commonly used as a lubricant and laxative to help relieve constipation in veterinary applications. This product provides safe and effective relief when used as directed. This product is intended for veterinary use only. Glycerin works as a gentle osmotic laxative by drawing water into the intestines to help soften stool and facilitate bowel movements. The liquid formulation allows for easy administration. Always consult with a veterinarian for proper dosing instructions based on the animal's size and condition.