Every dog is unique and so is their nutritional requirement. The right age to start administering glucosamine may vary. Discuss with your veterinarian to understand when and if your dog could benefit from glucosamine or other joint supplements, ensuring a tailored approach to supporting your dog's joint health.Every dog is unique and so is their nutritional requirement. The right age to start administering glucosamine may vary. Discuss with your veterinarian to understand when and if your dog could benefit from glucosamine or other joint supplements, ensuring a tailored approach to supporting your dog's joint health.