Nutri Permeability Factors is a blend of L-Glutamine and other Synergistic Factors. Permeability Factors is a formula designed to help support the integrity of the gut lining.L-glutamine is the preferred fuel for small intestine enterocytes and may helps support proper barrier function. N-Acetyl-D-Glucosamine (NAG) is a building block of connective tissue and could help support the gut´s mucosal lining. Gamma oryzanol (natural extract of rice bran oil) is a plant substance, rich in phytosterols and ferulic esters. Directions: 1 capsule one to three times daily between meals, or as directed.Ingredients:Each capsule typically contains: GLA (gamma linolenic acid) (From blackcurrant seed oil); 135 mg L-Glutamine; 250 mg N-Acetyl-D-Glucosamine (Minimum concentration over 99% derived from natural marine sources);125 mg Gamma Oryzanol (From rice bran oil); 33 mg Vitamin E (as d-alpha tocopheryl succinate); 8 mg L-Methionine; 1 mgOther ingredients: Gelatin, Magnesium stearate, Silicon dioxide.Caution: None known if directions are followed.