This is a multi-center, double blind, parallel group placebo controlled randomised trial designed to determine the safety and efficacy of a Standardised Extract of Phyllanthus Niruri (EPN 797) HEPAR-P capsule for the treatment of Non-alcoholic Fatty Liver Disease for a treatment period of 48 weeks

Inclusion Criteria:

• Male or non-pregnant females age 18 years or older
• Written informed consent obtained from patient or parents/ guardian
• Elevated serum aspartate aminotransferase (AST) and alanine aminotransferase (ALT) levels but less than 2.5times the upper limit of the normal range
• Patients with liver biopsy confirmed possible or definite steatohepatitis within the past 12 months prior to enrolment into the trial
• Possible steatohepatitis with activity score ≥3 OR definite steatohepatitis with activity score ≥5
• A score of at least 1 for hepatocellular ballooning

Exclusion Criteria:

• Pregnant or nursing woman or women of childbearing potential except if post-menopausal, surgically sterile or using accepted method(s) of birth control or having negative pregnancy test
• Participation in any trial in which the patient received an investigational product within 30 days preceding the screening phase of this study
• Those persons directly involved in the conduct of the study
• Alcohol consumption of more than 20g per day for women or more than 30g per day for men for at least 3 consecutive months during the previous 5 years, as assessed with the use of the Lifetime Drinking History questionnaire and the interview version of the Alcohol Use and Disorders Identification Test (AUDIT)
• History of cirrhosis, hepatitis C or other liver diseases
• History of heart failure (New York Association Class II to IV)
• History of taking medications known to cause steatohepatitis
• Any serious medical conditions or disability, which in the opinion of the investigator, would interfere with treatment or assessment or preclude completion of this study