How very low-calorie diets reverse diabetes

The method, known as PINTA, allowed the investigators to perform a comprehensive set of analyses of key metabolic fluxes within the liver that might contribute to insulin resistance and increased rates of glucose production by the liver—two key processes that cause increased blood-sugar concentrations in diabetes.

Using this approach the researchers pinpointed three major mechanisms responsible for the VLCD’s dramatic effect of rapidly lowering blood glucose concentrations in the diabetic animals.

In the liver, the VLCD lowers glucose production by:

  • decreasing the conversion of lactate and amino acids into glucose;
  • decreasing the rate of liver glycogen conversion to glucose;
  • and decreasing fat content, which in turn improves the liver’s response to insulin.

These positive effects of the VLCD were observed in just three days.

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