1. BioGuard® Science Overview
  2. Research Reference on BLIS K12®
  3. How BioGuard® Works

BioGuard® Science

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BioGuard® Science Overview

BLIS K12® Technology

BioGuard® uses BLIS K12® technology. BLIS stands for “Bacteriocin – Like Inhibitory Substance,” which means BLIS K12® probiotic is able to respond to an immune system threat by ramping up the production of antibacterial proteins for immune defense. Therefore, BLIS K12® found in BioGuard® can act on bacteria that cause some unhealthy conditions (immune imbalance, throat irritation, mouth odor, etc).

BioGuard® was developed under the philosophy of bringing scientifically designed products to consumers and BLIS K12® helps provide that science. First, BioGuard® ingredients are patented with a total of 13 patents worldwide. Second, BLIS K12® is well studied and published in journals such as the Journal of Applied Microbiology. There are more than 30 studies demonstrating BioGuard’s effectiveness and safety.


Safety is always an important question to consider when looking for a product that works to protect the immune system of the entire family. BioGuard® is safe, with no reported side effects. In fact, BioGuard® ingredients were tested to be Bio-safety Level 1, which is the safest level in the USA.


Discovery: This specific probiotic with BLIS K12® found in BioGuard® is only in about 2% of the population and it was first isolated from a child that had an incredible immune system including rare throat irritations.