Our gastrointestinal tract is filled with both good and bad bacteria. It is the imbalance of these good and bad bacteria which can challenge digestive health. GastroHealth's 4 scientifically studied species of probiotic helps support a healthy gastrointestine. They can aid in restoring and maintaining the balance between good and bad bacteria. GastroHealth does not require refrigeration*. The probiotics in GastroHealth are potent and delivered live.