The Link Between Vitamin D Deficiency and Fatty Liver
Dr. Joseph Mercola
Reviewed by Keith W. Vrbicky, Sr., MD
October 23, 2025
STORY AT-A-GLANCE
- Low vitamin D levels are strongly linked to fatty liver severity, with deficiency tied to more fat buildup, higher liver enzymes, and worse metabolic problems like insulin resistance
- Fatty liver disease often progresses silently until serious damage like cirrhosis or liver failure has already taken hold
- Supplementing with vitamin D has been shown to lower blood sugar, reduce liver enzymes, improve cholesterol balance, and even help shrink waistlines
- Cutting out vegetable oils and alcohol removes two of the biggest drivers of liver stress, giving your body the best chance to reverse damage and restore function
- Simple, everyday steps like eating choline-rich foods, getting regular sun exposure, and testing your vitamin D levels will help you protect your liver and keep it working at full strength