This formula balances beneficial flora in the gastro-intestinal tract. Each capsule contains a minimum of six billion probiotic flora when bottled. The flora is uniquely suspended in a matrix containing fructooligosaccharydes (FOS), beta carotene, grape seed extract, Vitamin C and Vitamin E to ensure survival of these beneficial cultures into the lower intestinal tract. The formula is assayed by Systemic Formulas to assure product viability. This product should be refrigerated.