Read over all of the testimonials at the probioshred supplier's website and get a feeling of how this formula may help you. Million of bacteria both good and bad live inside us and probioshred bacteria help to keep the balance in favor of the good bacteria. The ones that I have found to be the best had 10 or more strains, so the higher the count the better. Scientists think that our genetic makeup and our environment contribute to whether or not we will experience allergies.