Natren is the first and only manufacturer in the Health Food Industry to formulate and produce probiotic products in its own state-of-the-art plant. We are the first and only probiotics manufacturer to earn International Drug GMP (Good Manufacturing Practice) Certification. Natren matches the highest of pharmaceutical standards. No other probiotic manufacturer or distributor can make this claim. At Natren, for more than a quarter of a century, we have set an unmatched platinum standard of regulation in an unregulated industry. For the health care professional this means you can treat your patients with confidence knowing you have chosen for your patients the highest quality, cleanest, most potent and only probiotic to receive independent international certification.