Gluten Free! 6 Adult-Specific Strains 17 Billion Cells at Time of Manufacture† Dietary Supplement Adult's Probiotic includes 6 strains of beneficial bacteria. It helps support healthy microflora in the small and large intestine, promotes proper digestion, provides relief from occasional intestinal discomfort, and is ideal for travelers to maintain healthy flora while away from home. Since probiotics are living organisms, their potency slowly decreases over time (2% per month). † Minimum 17 billion viable cells per capsule at time of manufacture. (Minimum 10 billion viable cells per capsule at printed two year expiration date.)