Study on the Correlation Between Fat Soluble Vitamins and Non-alcoholic Fatty Liver Disease

Inclusion Criteria: 1. Age ≥ 18 years old, both male and female; 2. Voluntarily participate in this study and sign an informed consent form; 3. Diagnosed NAFLD through abdominal ultrasound; Exclusion Criteria: 1. Acute and chronic infections, severe cardiovascular and cerebrovascular diseases, respiratory system diseases, urinary system diseases, rheumatic diseases, tumors, and pituitary dysfunction; Or have hepatitis B, hepatitis C virus, or acquired immunodeficiency syndrome; 2. Surgery was performed within 6 months, and blood donation, transfusion, or significant blood loss occurred within 4 months; 3. Have taken vitamin supplements within 2 weeks; 4. Women are in pregnancy, lactation, or within one year after childbirth; 5. Alcohol abuse (alcohol intake ≥ 140 g/week for males and ≥ 70 g/week for females) 6. The serum creatinine (SCr) exceeds twice the following abnormal values, with the standard of abnormal values being: male (20-59 years old)\>97 μ mol/L, male (60-79 years old)\>111 μ mol/L; Female (20-59 years old)\>73 μ mol/L, female (60-79 years old)\>81 μ mol/L.