iFlora Nasal Health is a clinically-proven, patent-pending formula combining the power of probiotics and the sinus support of NAC for nasal and bronchial health. Swiss researchers discovered that this specific probiotic formula featuring 22 billion cells per serving maintains extremely high levels of healthy flora in nasal sinuses. Maintaining high levels of healthy nasal flora supports a healthy immune response and crowds out undesirable invaders. NAC is added to provide a powerful all-natural detoxifier and antioxidant to support production of healthy mucus in the sinuses and bronchials, supporting upper respiratory health. NAC is also the precursor of the body’s most important natural antioxidant, glutathione, which Enhances maintain immune, cellular and respiratory health.* Take iFlora Nasal Health daily or seasonally to support sinus and bronchial health