Customers find the nutritional supplement effective and life-saving, particularly for sick cats and older animals, with many reporting their pets gained several pounds and their appetites improved. The product is easy to administer through its syringe-style dispensing, and customers consider it good quality. While some customers enjoy the taste, others report their pets refuse to eat it, and opinions on value for money are mixed, with some finding it worth the price while others consider it too expensive. The product has an unpleasant smell that customers find off-putting.