Most people don’t think about their liver until something goes wrong. But right now, without any symptoms, without any warning, an estimated one in three Americans is living with a condition called non-alcoholic fatty liver disease — or NAFLD.
It is the most common liver disease in the United States. And in the vast majority of cases, it has nothing to do with alcohol. It has everything to do with what we eat.
What Is Fatty Liver Disease?
The liver is one of the hardest-working organs in the body. It filters toxins, regulates blood sugar, produces bile for digestion, and processes the fats and proteins we consume. When the liver is overwhelmed by excess fat — particularly from a diet high in processed foods, refined carbohydrates, and animal products — it begins storing that fat within its own cells.
Over time, this buildup causes inflammation, scarring, and in serious cases, liver failure. What starts as a silent condition can progress quietly for years before symptoms appear. By then, significant damage may already be done.
The troubling reality is that NAFLD has become an epidemic alongside the obesity and diabetes crisis in America. They share the same root cause: a modern diet that the human body was never designed to handle.
The Good News — Food Can Reverse It
Here is what Dr. Terry Shintani has observed over decades of clinical practice: the same dietary approach that reverses obesity, lowers blood sugar, and reduces heart disease risk also works powerfully on fatty liver disease.
The key is a three-part dietary shift:
1. Go low fat. Excess dietary fat — particularly saturated fat from animal products — is one of the primary drivers of fat accumulation in the liver. Reducing fat intake, especially from meat, dairy, and processed oils, gives the liver the chance to clear the fat it has already stored.
2. Go low glycemic. Refined carbohydrates and sugar spike blood glucose rapidly, triggering an insulin response that directs the body to store excess energy as fat — including in the liver. Choosing whole, unprocessed carbohydrates (brown rice, oats, sweet potato, legumes) instead of white flour and sugar keeps blood sugar stable and reduces the liver’s fat load.
3. Reduce animal products. A diet centered on whole plant foods — vegetables, legumes, whole grains, and fruit — is naturally lower in the saturated fats and dietary cholesterol that burden the liver. Plant-based eating has been shown repeatedly to support liver enzyme normalization and reduce liver fat over time.
Weight Loss Is the Lever
One of the most consistent findings in fatty liver research is that even modest weight loss — as little as five to ten percent of body weight — can significantly reduce liver fat and improve liver enzyme levels. The Peace Diet approach, which allows people to eat more food while naturally consuming fewer calories through calorie dilution, creates exactly this kind of sustainable, effortless weight loss without hunger or deprivation.
Many of Dr. Shintani’s patients have seen their liver enzymes normalize within weeks of changing their diet — without any medication, without any surgery, and without counting a single calorie.
You May Not Have Symptoms — But Your Liver Still Needs Help
NAFLD is often called a silent disease because most people feel perfectly fine until the condition is advanced. If you have been told your liver enzymes are elevated, if you carry excess weight around your midsection, or if you have been diagnosed with pre-diabetes or type 2 diabetes, your liver may already be under stress.
The best time to act is before symptoms appear. And the most powerful tool available to you is sitting on your plate, three times a day.
Start with the Peace Diet. Your liver will thank you.
Dr. Terry Shintani is a Harvard-trained physician (MD, JD, MPH), a Living Treasure of Hawai’i, and the creator of the Waianae Diet and the Peace Diet. He continues to see patients at his Honolulu practice and shares daily health insights on YouTube.
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