TUDCA (Tauroursodeoxycholic acid) - 750mg. TUDCA (Tauroursodeoxycholic acid) 750mg. NAC (N-Acetyl-L-Cysteine) - 900mg. NAC (N-Acetyl-L-Cysteine) 900mg. May contain traces of Milk, Gluten and Nuts. Do not use this product if you are using anti-depressants, MAO/MAOI inhibitors or any prescription drugs.