Natrol BioBeads are uniquely protected by an advanced triple shell that, ensures viability through all three biophases:
Biophase 1: Targeted-release technology helps guarantee BioBeads™ potency for 18 months on the shelf, and protects viable microflora all the way to ingestion.
Biophase 2: Bead passes safely through the acidic stomach environment unharmed.
Biophase 1: Inner layer gently breaks down, releasing proprietary blend of probiotics that helps support digestive health and immunity.
Take 1 bead daily. No refrigeration required.