Synocore is giving out free samples of their probiotic snacks for cats and dogs. The snacks look like cookie bars that your pet can chew. It have all the nutrients and enzymes your pet needed for a healthier digestion. Log In All you needed is to sign up and register so you can have your free samples. This can be a delicious and tasty treat for your pet and it is all free. This snack is like Yogurt for pets because it is full of good bacteria which is good for their health.