Endocrinologist Pavlova: an excess of fructose leads to fatty degeneration of the liver

Zukhra Pavlova, an endocrinologist, warned about the tricks used by manufacturers, noting that their products do not contain sugar. Such food is not always healthy.

– There is no direct deception, but sometimes there is a catch: the composition does not contain the sugar we are used to, but it is full of other simple sugars, which misleads people. The danger is not even that such products harm the figure – diabetics can buy them, and then find themselves with high blood sugar (and this is at best), – the physician noted in her blog.

There are safe sugar substitutes, but that's about something else. For example, the product contains fructose and says that it does not contain sugar.

Pavlova warns that fructose is also sugar, which has an unpleasant feature: instead of satisfying hunger, it kindles it.

An excess of fructose is fraught with fatty degeneration of the liver. It also causes a constant appetite, because it blocks the receptors for the hormone responsible for satiety.

Fructose is a monosaccharide found in its free form in sweet fruits and some vegetables. From a chemical point of view, common sugar is sucrose, which contains both fructose and glucose.

Fructose has two metabolic pathways, good and bad. Good – conversion to glucose, bad – the formation of fatty acids in the liver. In the second case, there are negative consequences that are described in numerous studies: an increase in “bad cholesterol”, liver dysfunction, excessive formation of uric acid, which leads to gout.

Pavlova lists other options for “sugar substitutes”, which, according to her, they are not.

  • Honey. Very high-calorie, consists largely of fructose.
  • Glucose (corn) syrup. Scientists attribute the obesity epidemic to its cheapness and availability.
  • Jerusalem artichoke and agave syrups. They also have a lot of fructose.
  • Cane sugar. Raises blood glucose levels very quickly.

Tevia, erythritol and sucralose are best added to tea and coffee, an endocrinologist advises.

Non-alcoholic fatty liver disease (NAFLD) is one of the most common chronic diseases liver in the world.


  • a feeling of heaviness, discomfort in the right hypochondrium;
  • nausea;
  • belching;
  • bitter taste in the mouth;
  • general weakness, fatigue;
  • weight gain;
  • appearance of spider veins on the skin.

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Important! Information provided for reference purposes. Ask a specialist about contraindications and side effects and under no circumstances self-medicate. Seek medical attention at the first sign of illness.

Zukhra Pavlova Zukhra Pavlova Medicine endocrinologist, MD, Moscow State University