Wella is a prescription medication manufactured by ACI Limited in Bangladesh. Each tablet contains 12.5 mg of Amitriptyline Hydrochloride and 5 mg of Chlordiazepoxide. This combination is used to treat moderate to severe depression associated with anxiety. Amitriptyline is a tricyclic antidepressant that increases the levels of serotonin and norepinephrine in the brain, helping to improve mood. Chlordiazepoxide is a benzodiazepine that acts as an anxiolytic, reducing anxiety by enhancing the effect of gamma-aminobutyric acid (GABA) in the brain.