Udo's Choice Super 8 Hi-Potency Probiotic was designed specifically with a higher percentage and concentration of L-acidophilus to help maintain proper balance in the body. Udo's Choice Super 8 Hi-Potency Probiotic formula with 42 billion viable cells per capsule (at date of manufacture) helps to also support and maintain healthy microflora in the small and large intestines. Great for travelers.