Natren
Natren's probiotic products come with 30 years of focused scientific research from leading scientists and researchers, Their products meet the highest international standards for quality, safety and manufacturing protocols. The probiotic formulations have undergone three decades of independent laboratory culturing and testing; resulting in some of the strongest and most powerful strains available. Natren guarantees 100% potency through the printed expiration date (not just at time of manufacture).