Enerex Pro Biotika + NAG - A combination of probiotics and NAG (N-acetyl glucosamine) boasts 1 billion CFU of three beneficial and potent probiotic bacteria plus 300 mg of NAG to help restore and maintain balance of the intestinal micro-flora and gut lining. Enhanced with prebiotic FOS, this product is especially beneficial for inflammatory bowel conditions and compromised GI tracts. These specially cultured human strains are carefully processed to retain viability at room temperature.