Sugar Consumption and Fatty Liver Disease

Dr. Robert Lustig - sugar consumption and fatty liver disease
Dr. Robert Lustig says Americans are overdosing on sugar.

Dr. Robert Lustig, endocrinologist and prominent nutrition expert, explains how excessive sugar consumption causes fatty liver disease. In this video, Dr. Lustig says Americans “used to consume 2 – 3 teaspoons of added sugar per day.” However, “We now consume 22 teaspoons of added sugar per day.” Dr. Lustig says our increase in added sugar consumption drives the following:

  • High insulin, which promotes weight gain
  • All chronic metabolic diseases – diabetes, hypertension, lipid problems, heart disease, cancer, dementia

Excessive Sugar Damages Your Metabolism

Shift to Reduce Sugary Drinks with Water

Consuming excessive amounts of sugar damages your body’s energy metabolism. In biological terms, the mitochondria, the energy factories in your cells, “have become overwhelmed with excess energy.” As a result of you eating too much sugar, your body develops liver fat. Subsequently, your pancreas makes extra insulin causing a “downstream of metabolic diseases.”

Children have Type 2 Diabetes

Obese Child

Dr. Lustig says children having type 2 diabetes proves sugar causes metabolic disease. Furthermore, Dr. Lustig says, “children have nonalcoholic fatty liver disease.” The liver of these children looks just like the liver of an alcoholic. Moreover, the child’s liver has the “exact same structure and pathology as an alcoholic’s liver.”

The University of California at San Fransico (UCSF) has done two liver transplants in 400-pound soda drinkers. Consuming sugary drinks caused fatty liver disease, just like alcohol. Your liver metabolizes alcohol and sugar in the same way.

Sugar is 50% glucose and 50% fructose. Your consumption of sugar and High Fructose Corn Syrup makes you fat which is why diets don’t work.

Sugar Consumption and Fatty Liver Disease

Ultra-Processed carbonated drink
Keep your liver healthy and drink water instead of toxic sugary drinks.

Dr. Lustig says sugar is dangerous because your liver metabolizes sugar differently than other carbohydrates. Only the liver metabolizes sugar, and insulin does not regulate its metabolism. When the mitochondria in your liver get overwhelmed by sugar, it turns into liver fat. 

Furthermore, the process of metabolizing sugar in the liver creates “oxidative stress – reactive oxygen species – little hydrogen peroxides that damage cells.” However, vitamin E, found in nuts such as almonds, can quench these antioxidants. 

Americans are overdosing on sugar. The food industry, with its ultra-processed products, particularly soft drinks, is hurting us. Americans are dying from the added sugars in processed foods and drinks. We have to fix it. 


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